18.??Don’t _____ . I can help you with the typing. A. matter B. care C. worry D. concern ...

13.??Last night a fire _____ in that market, so the firm suffered a heavy loss. A. broke up B. broke out C. broke of D. broke down ...

8.??The experiment _____ that energy is required to produce a change of state. A. concentrated B. demonstrated C. exhibited D. displayed ...

3.??Breakfast is _____ in the dining-room from 6:30 to 8:29 a.m. at this hotel. A. served B. made C. eaten D. cooked ...

23. Haven’t you enough _____sense to know that it’s unwise to go swimming just after a big meal? A. usual B. ordinary C. common D. general ...

18. Mr. John has decided that he will _____the branch company set up in the small town. A. take over B. had in C. put in D. lead to ...

11. You can’t see through a telescope unless it is _____ correctly to your sight. A. appointed B. adjusted C. operated D. shifted ...

6. I _____this book in an old bookstore on Fourth Avenue. A. came on B. came across C. came up D. came over ...

22. The truck bumped into a wall _____ the driver’s carelessness. A. because B. as for C. now that D. due to ...

15. Contraction should not be used in _____ writing. A. formal B. former C. familiar D. popular ...