His aunt’s letters ________ memories of those beautiful days when they used to live together in his hometown.
| A．call at | B．call for | C．call on | D．call up |
10．I wrote emails to my sister and brother last week. To my disappointment,_____of them wrote me back.
| A．either | B．none | C．neither | D．Nobody |
9．You can depend on it that she will come to the wedding. ______, she’s accepted your invitation.
| A．Above all | B．After all | C．What’s more | D．That’s to say |
8．---How did the interview go?
---Quiet well. Not so smoothly as I expected,_________.
| A．instead | B．either | C．though | D．as well |
7.---Mary, you didn’t show up at the meeting last week?
---No, I________, but my son had a sudden fever and I had to stay at home to take care of him.
| A．didn’t | B．was going to | C．had to | D．wouldn’t |
6．Newly-developed materials for spaceships can___________extreme weather conditions.
| A．hold | B．support | C．stand | D．Carry |