—Iwonder why he has been acting so strange these days．
—Recent pressure at work may his behavior．
| A．account for | B．make for | C．change for | D．stand for |
--- I had thought he would be nervous in this speech competition, but he turned out to be calm.
--- He________quite enough preparation for it.
| A．should do | B．must do | C．should have done | D．must have done |
Don’t give up regardless of difficulty and failure, ________ you’ll never achieve your goals.
| A．and | B．but | C．or | D．so |
--- Have you got any books on English grammar? I’d like to borrow __________.
--- Yes, here you are. But you must return it by Friday.
| A．it | B．one | C．some | D．any |
David got a higher grade in the final exam, for, you see, he made______mistakes.
| A．few | B．fewer | C．little | D．less |
I suggested to my mother that she_______a drawing club after her retirement form teaching.
| A．join | B．joins | C．joined | D．would join |