I was terribly________about the children when they didn’t come home from school．
| A．worried |
| B．nervous |
| C．angry |
| D．happy |
Thinking back to the past years, many people wonder _.
A where time will go
B. where time has gone
C. where has time gone
A: The school has a long history.
B: Yes,it _ more than l00 years ago.
A. built B. is built C. was built
A:I called you yesterday. You didn't answer it.
B:Oh, sorry. I_ in the bathroom at that time.
A. was taking a shower
B. took a shower
C. take a shower
A:What do you want to do in the future, Allen?
B:I want to _ a Hope School to help students who are unable to go to school.
A. set out B. set off C. set up
A: Mum, may I go out to play football for an hour?
B: No, you_ . The air outside is not very clean.
A. can't B. needn't C. couldn’t