______ a light when necessary. You will bring light to other people and yourself.
A. Try on B. Get on C. Turn on D. Put on
Which of the following signs means "You can't feed the animals"?
A. 
B. 
C. 
D. 
Running man is a very relaxing TV program is hot among the young people.
A. what B. whom
C. who D. which
--When shall we go to watch the football match in the sports centre?
--Not until my task ______________.
A. completes B. is completed
C. will complete D. will be completed
--Let's go to Sunshine Street by taxi?
--It's only a ten-minute walk. We take a taxi.
A. needn't B. can't
C. mustn't D. couldn't
--Will you go to Lily's birthday party?
--I will she invites me.
A. if B. unless
C. until D. though
