11. Shopkeepers are boarding up their windows _______ rioting breaks out.

A. in case            B. even though    C. as long as        D. if only

12. _______ anyone was following me, I made an elaborate detour.

A. Even if            B. As though               C. In case        D. If only

13. Extra boiling water should be kept at hand just _______ it is needed.

A. ever since       B. even if               C. soon after         D. in case

14. I save all my old letters _______ I want to read them again.

A. as long as       B. even though    C. if only         D. in case

15. I’ll make some sandwiches, just _______ we get hungry later on.

A. even if              B. even before     C. in case          D. as if

16. We’d better lay in plenty of food _______ we’re cut off when it snows.

A. ever since       B. even if               C. soon after         D. in case

17. I’ll get a chicken out of the freezer _______ Aunt Mary should come.

A. in case             B. so that               C. now that       D. as long as

18. Many’s the hour I’ve spent by the telephone just waiting _______ he should call.

A. just as              B. in case              C. soon after         D. even if

19. Can you put some blankets in the back of the car _______ the children get cold?

A. in case            B. even though    C. as long as        D. if only

20. I’ve got my tennis things _______ we have time for a game tomorrow.

A. now that         B. as if                  C. not until             D. in case

21. Donna did not dare settle herself too comfortably into her seat, _______ she fell asleep.

A. as long as       B. even though   C. in case             D. as if

22. He wasn’t going to use his car _______ somebody recognized it.

A. ever since       B. even if               C. soon after         D. in case

23. He didn’t talk about his exam results _______ people thought he was boasting.

A. in case             B. as if                   C. in order that     D. only if

24. We’ve installed an extinguisher next to the cooker _______ there is ever a fire. (www.hz123456.com)

A. even if              B. if only                C. in case              D. so that

25. I was going to ask if his dog was any better, but I didn’t dare _______ it had died.

A. as long as       B. unless               C. if only         D. in case

26. The party is going to be outdoors, so we’ll need to organize somewhere as a backup _______ it rains.

A. so far as           B. so long as        C. in case              D. even if

27. I had to keep the video camera readily accessible _______ I saw something that needed to be filmed. 

A. ever since       B. even if               C. soon after         D. in case

28. To play safe, I’d allow an extra ten minutes, just _______.

A. in time             B. in case             C. in need              D. in vain

29. I don’t think that it’s going to rain, but I’ll bring a raincoat just _______.

A. by nature         B. in return            C. in case              D. by chance

30. The bus is usually on time, but start early, just _______.

A. in short           B. in case              C. in doubt            D. in return

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