---Do you think we need to cook soup for dinner.?---No,_________.A.I think so B. I agree C. I don’t think so
The windows must _________ before you leave the room.
I am very sad that I ______ many chances in the last few years.
—Must we clean the classroom now? —No ,you _______.
—____________? —Very well, thanks.
Scientists can make the robots __________.