BothLoulan and Pompeii are believed _______ their civilizations about 2,000 years ago.
| A．tohavelost | B．lose |
| C．tolose | D．tobelosing |
Some experts believe it is the grandparents who ________ for the spoiled child.
| A．are to blame | B．are to be blamed |
| C．should blame | D．are blamed |
--- Let’s go shopping, shall we?
--- Wait a minute. I ________ my housework and it won’t take long.
| A．just finish |
| B．am just finishing |
| C．have just finished |
| D．am to finish |
The girl had hardly rung the bell the door was opened suddenly, and her friend rushed out to greet her.
| A．before | B．until |
| C．as | D．since |
It’s more than half a century ________ my grandfather joined the Party and became a servant to the people.
| A．since | B．that | C．when | D．while |
We ________ the project on time without your timely help .
| A．would not have finished |
| B．will not finish |
| C．would have finished |
| D．will finish |