He made a mistake, but then he took action to change the situation ________ it got worse.
| A．until | B．when | C．before | D．because |
---I’m sure I will get good grades (成绩) in this exam.
---If so, I believe your parents will ______ the result.
| A．be satisfied with | B．be angry about | C．be proud of | D．be worried about |
The car is ________ expensive _______ he can’t buy it.
| A．too; to | B．so; that | C．such; that | D．enough; that |
The problem is difficult for me work out.
| A．very; to | B．enough; to | C．so; that | D．too; to |
Our teacher told us in the class.
| A．don’t sleep | B．not to sleep | C．not sleep | D．not slept |
Some colours make us _______ calm and peaceful.
| A．to feel | B．feeling | C．feels | D．feel |