. ---I must apologize for ___________ ahead of time. ---That’s all right.
| A．letting you not know | B．not letting you know |
| C．letting you know not | D．letting not you know |
.
I’ll go to America to strengthen my English _______it isn’t too expensive.
| A．except | B．provided | C．assumed | D．unless |
.
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 |
.
—How about going out for a picnic on Sunday morning?
—Hmm．___．The weather is very good these days．
| A．Yes, why not | B．Well, no way | C．Oh, never mind | D．Sure, no matter |
.
Greatly frightened by the terrible scene, _______.
| A．tears came to my eyes | B．my heart was full of fright |
| C．my body trembled | D．I couldn’t help crying out |
.
On the coast _______ with an old temple _______ back to Ming Dynasty.
| A．does a village stand; dated | B．stands a village; dating |
| C．a village is standing; dates | D．a village stands; to date |