As is reported，it is 100 years ________ Qinghua University was founded.
| A．when | B．before | C．after | D．since |
The singer told us that her new album would ________ the next month.
| A．come up | B．come out | C．come off | D．come across |
It is generally considered unwise to give a child ________ he or she wants.
| A．however | B．whatever | C．whichever | D．whenever |
— How did you catch the thief?
— Well, he ________ some goods into his bag when I came around a corner in the shop. So I caught him.
| A．was putting | B．was put | C．have put | D．had put |
It was after what seemed like a century ________ we were allowed to go home.
| A．when | B．which | C．as | D．that |
It was a fine day yesterday. I ________ have taken my raincoat with me.
| A．couldn’t | B．needn’t | C．shouldn’t | D．mustn’t |