-What a beautiful river and breathtaking mountains！
-Yeah. They make me think I＿＿＿on an alien planet.
| A．arrive | B．arrived |
| C．have arrived | D．had arrived |
---Bob has gone to California.
---Oh, can you tell me when he _________?（2011北京卷32）
| A．has left |
| B．left |
| C．is leaving |
| D．would leaving |
When Alice came to, she did not know how long she _____ there. （2011新课标卷29）
| A．had been lying |
| B．has been lying |
| C．was lying |
| D．has lain |
He made a wonderful discovery,of great importance to science.
A which I think is
B. which I think it is
C. which I think it
D. I think which is
Come and see me whenever .
A. you are convenient
B. you will be convenient
B. you will be convenient
C. It is convenient to you
D. it will be convenient to you
---Whose advice do you think I should follow?
---
| A．You get it. |
| B．Up to you. |
| C．Anyone you like. |
| D．You speak. |