--Must I come at four o’clock? -- Oh, no, you ______.A. can’t B. mustn’t C. needn’t.
I always tell my studentson the road because it’s really dangerous.
---________beautiful day it is! Let’s go and have a picnic in the park. ---Good idea!
---Excuse me, sir. Is the swimming pool open all day? ---_______. Only from 6:30 p.m. to 9:30 p.m.
He feels likethe Internet day and night. Tell him not to do it again.
They didn’t do it by themselves instead ofUncle Wang for help.