People were not allowed to enter the reading room because it _______.
A. had been painted B. was being painted
C. was painting D. painted
．_____ alone in the large house, the little boy had to learn to survive by himself.
A. To leave B. Leaving C. Left D. Being left
Chengdu is a city _______ you hate to say goodbye once you have visited it.
A. in which B. at which C. to which D. with which
— Did you see a man in black pass by just now?
— No, sir. I _______ a newspaper.
A. read B. was reading C. would read D. was reading
My parents don’t care _______ my pocket money goes, but one thing is for sure: the money spent must be worthwhile.
A. why B. when C. where D. how
—Why didn’t you go to Mike’s birthday party yesterday?
—Well, I _______, but I forgot it.
A. should B. would C. should have D. must have
