Many cities issued a warning of air pollution for PM-2.5 readings, which became
Concern of all the people
| A．the; the | B．the;/ | C．/;a | D．an;a |
It is easy to be grateful for the good things, ______ a life of rich fulfillment comes to those who are also thankful for the setbacks.
| A．that | B．which | C．while | D．when |
The best selling MBA book ____ economics.
| A．consists | B．contains | C．involves | D．covers |
A:--Did your classmate pass the exam?
B: --She failed and is in low spirits.
A:--I'm sorry for her.
B:--____.
| A．Thank you | B．You're welcome |
| C．I would think so | D．Never mind |
The poor boy couldn't work the problem out. He wasn't ____ clever.
| A．that | B．much | C．enough | D．too |
As the film star began to appear，the children watched, ________.
| A．fascinating | B．fascinated |
| C．being fascinated | D．having fascinated |