Sit down,please! _____.
| A．Yes | B．Sit down |
| C．Thank you | D．That’s all right. |
--- Look, so many dark clouds!
--- You should take an umbrella________ rain
A. instead of
B. in case of
C. with the help of
When seeing Sign _______ , we shouldn't smoke.
--- Excuse me, could you tell me ________?
--- On the Changjiang River.
A. where the accident happens
B. where the accident happened
C. where did the accident happen
--- Ben, why are you watching TV at this time? How about your homework?
--- I_______ all of it, Morn. I want to have a rest.
A. finish
B. am finishing
C. have finished
--- De you like going mountain climbing?
-- Yes. I______ do it on weekends with my friends.
A seldom B. often C. never