I'm going to get _______ this afternoon.
| A．these letters mailing |
| B．mail the letters |
| C．to mail these letters |
| D．him to mail the letters |
_______ caused the accident is still a complete mystery.
| A．What | B．That | C．How | D．Where |
Whitney Houston’s sudden death suggests that drug abuse is such a serious problem ___we should deal with properly.
| A．as | B．that | C．which | D．where |
---The “No.1 Document” is designed to help the rural population increase their incomes.
---I believe that peasants’ life _____ better and better.
| A．will have got | B．has got | C．gets | D．will be getting |
It was not until the end of last year _____ the economy in our country began to develop rapidly.
| A．when | B．that | C．which | D．in which |
---Anna, you look so tired and wet all over!
---Well, you know, all morning I _______ my books to my new office on the third floor.
| A．am moving | B．have moved | C．had moved | D．have been moving |