You can’t complain about being left out ______you don’t make any effort to share your joys and sorrows with others.
| A．once | B．unless | C．when | D．though |
Smoking is so harmful to people’s health that it kills __________ people each year than automobile accidents.
| A．seven more times | B．seven times more |
| C．over seven times | D．seven times |
I’ll come to pay a visit to you if _______ this weekend.
| A．you’re convenient | B．it is convenient for you |
| C．you feel convenient | D．it is convenient with you |
The student was_______ a gold cup for his excellent performance in the competition.
| A．awarded | B．admitted | C．applied | D．advanced |
Tom ____ be ill, for I saw him playing basketball an hour ago.
| A．mustn’t | B．needn’t | C．can’t | D．may not |
It doesn’t _____ to set off fireworks on holidays since the smog(雾霾) is so severe at present.
| A．make a difference | B．make sense | C．make progress | D．make a choice |