--- What did the professor tell you to do?
--- I had to write a ________ report.
| A．three-thousand words | B．three thousands word |
C．three-thousand-word | D．three-thousand-words |
He has three brothers, ________is a doctor.
| A．all of them | B．all of who |
| C．none of whom | D．both of them |
___________ catch the early bus, he got up very early this morning.
| A．In order to | B．So that |
| C．So as to | D．In order that |
Our school was ________ in 1925 and has a history of more than 80 years.
| A．set up | B．set off |
| C．set out | D．found |
________ stopping polluting the earth ________ hope to live in a better environment.
| A．Only to; we can | B．Only to; can we |
| C．Only by; can we | D．Only by; we can |
--Why do you look pale today?
--I was very ________my mother’s illness. I stayed awake last night.
| A．concerned about | B．concerned with |
| C．concerned in | D．concerned to |