I don’t understand why they don’t have the report. It _________ to them a week ago.
| A．is sent | B．was sent | C．will be sent | D．had been sent |
I still remember the house _____my mother and I used to stay in that evening．
| A．where | B．which | C．in that | D．the one |
John invited about 40 people to his wedding, most of _____ are family members.
| A．them | B．that | C．which | D．whom |
______ surprised the hostess most is _______ one of her friends left the party without saying a word.
| A．What, what | B．What, that |
| C．That, that | D．That, what |
_____ is even important _____ as the earth cooled down, water began to appear on its surface.
| A．That, which | B．What, that |
| C．What, what | D．It, that |
I don’t think she will come to the meeting on time, ______?
| A．do I | B．do you |
| C．will she | D．won’t she |