. The reason for all the changes being made _______to us yet.
| A．has not explained | B．has not been explained |
| C．did not explained | D．were not explained |
Tim ________since he lost his job three weeks ago.
| A．had been unemployed | B．was unemployed |
| C．has been unemployed | D．has unemployed |
It is said that a new robot ______ by him in a few days.
| A．designed | B．has been designed |
| C．will be designed | D．will have been designed |
---Why do you keep looking back?
---I have a feeling that we _______.
| A．were followed | B．have been followed | C．are being followed | D．are following |
Mrs. Green wants to buy that kind of cloth because she has been told that the cloth very well.
| A．washes | B．is washed | C．has been washed | D．is washing |
James Cameron’s movie Avatar, set in 2154, place on a planet called Pandora.
| A．will take | B．will be taken | C．takes | D．is taken |
After the argument, he spoke with the department manager and the problem .
| A．solving | B．had been solved | C．was solved | D．solved |
---- Look! So many colourful kites________ here.
---- You don’t know? It’s said kites _______ well in this area.
| A．are sold; are sold | B．are selling; sell |
| C．are selling; are sold | D．are being sold; sell |
The witness who appeared in court ____ to speak out the truth instead of covering it up．
| A．encouraged | B．has been encouraging |
| C．was encouraging | D．had been encouraged |