No matter where he is, he makes ________ a rule to go for a walk before breakfast.
| A．him | B．this |
| C．that | D．it |
These achievements_______ without the contribution of Qian Xuesen, a key leader of the New China's nuclear, missile and so on．
| A．would have been unthinkable | B．would not be unthinkable |
| C．would be unthinkable | D．would not have been unthinkable |
_______the match is lost? We can fight again!
| A．Even though | B．What though | C．If though | D．As though |
In this experiment, the famous professor showed three different____ to the study of physics．
| A．means | B．methods | C．ways | D．approaches |
Is this the man yon want to have the radio for me?
| A．who；repaired | B．that；repaired |
| C．whom；repairing | D．that；repair |
一Why didn’t you attend the partyin the hall the other day?
一I just wanted some quiet time by myself．
| A．held | B．being held | C．to be held | D．holding |