23. She is wondering ______ to deal with next.

A. what B. which C. how D. why

22. Is this research center ____ we visited the modern equipment last year?

A. where B. that C. the one that D. which

21. The taxi had to _______ because the traffic light had turned red.

A. set up B. shut up C. catch up D. pull up

20. A fifteen- year-old girl came _____ to the bus stop only ____ the bus had gone.

A. running, to find B. to run, to find

C. and run, found D. running, finding

19. Steven has a lot of work to ______ in the office since he has been away for quite a few days.

A. take up B. make up C. work out D. carry out

18. ----Could I use yours?

----I'm sorry, it isn't here. I'd get it for you ______ I could remember who borrowed it.

A. except that B. now that C. if only D. even though

17. ----I rang you at about ten, but there was no reply.

----Oh, that was probably _____ I was seeing the doctor.

A. when B. why C. what D. that

16. ----Did you visit the famous museum?

----No. We _________ it, but we spent too much time shopping.

A. could have visited B. must have visited

C. can't have visited D. shouldn't have visited

15. As senior 3 students, it is the most important to _______ a good state of mind in face of failure.

A. keep up B. keep on C. keep out D. keep off

14. ----Remember the first time we met, Jim?

----Of course I do. You ________ in the library.

A. were reading B. had read C. have read D. read