–Mum, hurry up! The film is beginning soon.
- Just . We have at least one hour to spare.
| A.stay away | B.take your time |
| C.don’t mention it | D.forget it |
.Don’t stop______you meet with a word you don’t understand.
| A.at that time | B.each time |
| C.sometimes | D.when every time |
Don’t be afraid of asking for help ______it is needed.
| A.unless | B.since | C.although | D.when |
He made a mistake, but then he corrected the situation ______it got worse.
| A.until | B.when | C.before | D.as |
The thought ______he might be a scientist some day encouraged him to study hard.
| A.whether | B.that | C.how | D.why |
There is a new problem involved in the popularity of private cars ______road conditions need______.
| A.that; to be improved | B.which; to be improved |
| C.where; improving | D.when; improving |