Sir, you ______ be sitting in this waiting room. It is for women and children only.
| A．oughtn’t | B．shouldn’t | C．won’t | D．needn’t |
.
I don’t think ______ possible to master a foreign language without much memory work.
| A．that | B．which | C．it | D．this |
.
The singer became famous in the early 1980s, ______ the classical music was better than pop music.
| A．which | B．when | C．that | D．where |
.
---How long have you _______?
---5 years.
| A．married | B．got married | C．married | D．been married |
.
. --- Thanks for your help, but can you do me one more favor, please?
--- ____, sir. What’s it then?
| A．Just a minute | B．It’s very nice of you | C．That’s all right | D．At your service |
.
. ________each other for long , the two brothers decided to meet soon.
| A．Not having seen | B．Not seen | C．Have not seen | D．Not seeing |