E-mail, as well as telephones, ________ an important part in daily communication.
| A．is playing | B．have played |
| C．are playing | D．play |
The letter Mary had looked forward to her last night and she was very excited.
| A．reaching | B．reached |
| C．had reached | D．has reached |
They ___________to put their hearts into study..
| A．have made their minds | B．have made their mind |
| C．have made up their minds | D．have made up their mind |
--- Hey, Mary, your backpack looks nice. When did you buy it.
--- I ____ it for two weeks.
| A．had | B．bought |
| C．have had | D．have bought |
Mr. Smith couldn’t open the door because his naughty boy _______ it from the inside
| A．would lock | B．was locking |
| C．has locked | D．had locked |
These stories are about the everyday life of ordinary people who the great dangers in China over the past few years.
| A．have experienced | B．are experiencing |
| C．have been experiencing | D．experienced |
The project to developing the economy and reducing poverty when it is completed.
| A．has contributed | B．had been contributed |
| C．will contribute | D．is contribute |
---Why don’t we choose that road to save time?
--- The bridge to it_____.
| A．has repaired | B．is repaired |
| C．is being repaired | D．will be repaired |
In the last few years, thousands of films_____ all over the world.
| A．have produced | B．have been produced |
| C．are producing | D．are being produced |
The fires burned for three days, ________ a total of 25,000 buildings.
| A．destroyed | B．to destroy |
| C．having destroyed | D．destroying |