Last week Vivian a dress for her mother with her first﹣month salary．（ ）
| A． |
buy |
B． |
bought |
C． |
will buy |
D． |
would buy |
By the end of last week, she______in the west of China for two months helping the homeless children.
| A．will stay | B．has stayed |
| C．would stay | D．had stayed |
Ken was so busy when we saw him, because he _______ a speech the next day.
| A．will make | B．would make |
| C．has made | D．was making |
--- What did he tell you just now?--- He said that ____________ tomorrow morning.
| A．he will buy some books. |
| B．will he buy some books. |
| C．he would buy some books. |
| D．would he buy some books. |
By the time Dave reached the small boat, a thick white fog _______ over the surface of the water.
| A．spread | B．has spread |
| C．had spread | D．was spreading |
The teacher told the kids that light ________ faster than sound.
| A．traveled | B．had traveled |
| C．is traveling | D．travels |