So far there is no proof people from other planets do exist.
| A．how | B．what | C．which | D．that |
-----How much will I pay for a night?
------Prices___________from room to room.
| A．vary | B．arrange | C．divide | D．range |
When I got back home I saw a message pinned to the door, ______ “Sorry to miss you; will call later.”
| A．read | B．reads | C．to read | D．reading |
----Have you seen＿＿＿＿pen﹖I left it here this morning.
-----Is it＿＿＿＿black one﹖I think I saw it somewhere.
| A．a；the | B．the；the | C．the；a | D．a；a |
The news has spread all over the country ____ the spaceship succeeded in returning to the earth.
| A．which | B．that | C．whether | D．what |
____ he works hard, I don’t mind when he finishes the experiment.
| A．As soon as | B．Even though | C．So long as | D．So far as |