At times, parents find it difficult __________ with their teenage children.
| A．talk | B．talked | C．talking | D．to talk |
Mr. Green is very happy because he is satisfied with his students’ work today.
| A．is moved by | B．is good for | C．is fond of | D．is pleased with |
_______ the teachers in their school is about 200 and one fourth of them are _______ teachers.
| A．A number of; women | B．A number of; woman |
| C．The number of; women | D．The number of; woman |
He didn’t go to school yesterday ________ he was ill.
| A．because | B．because of | C．if | D．so |
---Could you tell me _________?
---You can take the No. 1 bus.
| A．how can we get to Xingyi Airport | B．how we can get to Xingyi Airport |
| C．how do we get to Xingyi Airport | D．how we got to Xingyi Airport |
They will lose the game _______ they try their best.
| A．unless | B．once | C．since | D．after |