--Excuse me, may I smoke here?--I’m afraid you____. It’s not allowed here.A. can B. can’t C. needn’t
— I can help you with your English. —___________.
—I think you can join an English club to improve your English. —___________.
—____________? —Very well, thanks.
I need five Yuan to ______ for summer camp.
The students are studying at home computers.