It's quite obvious that the aging population in China will cause heavy pressure on ________ whole society in the future．
| A．／；the | B．the；／ | C．a；the | D．a：a |
The situation wasn’t very good, but I ________ many worse situations.
| A．was experiencing | B．experienced | C．would experience | D．had experienced |
I can’t stand ________ with Jane in the same office. She just refuses ________ talking while she works.
| A．working ; stopping | B．to work ; stopping | C．work ; stop | D．working ; to stop |
--- Daniel，why are you so late? We _______ you would be here an hour ago.
--- Sorry. I ________ know you were all here.
| A．expect, don’t | B．expected; don’t | C．expected, didn’t | D．expect; didn’t |
Mary’s birthday ________ on a Sunday this year.
| A．finds | B．falls | C．forecasts | D．founds |
--- Why didn’t you tell him about the meeting?
--- He rushed out of the room ________ I could say a word.
| A．when | B．until | C．before | D．after |