I called him many times, but I didn’t get through, maybe his mum _ on the phone all the time．
| A．talked | B．was talking | C．has talked | D．had talked |
Our government’s plan to fight against air pollution will focus on________information and handling PM 2.5.
| A．expressing | B．representing |
| C．gathering | D．acknowledging |
The meeting between the presidents of those two countries________in Paris last week.
| A．took apart | B．took action |
| C．took effect | D．took place |
Mo Yan’s writing has________him a large audience，not only in China but overseas.
| A．deserved | B．expanded |
| C．admitted | D．gained |
—She looks very happy.She________have passed the exam.
—I guess so.It’s not difficult after all.
| A．should | B．must |
| C．could | D．might |
It just isn’t fair；________I was working as a waiter last month，my friends were lying on the beach.
| A．whenever | B．though |
| C．for | D．while |