You can’t imagine that a well behaved gentleman          be so rude to a lady.

You’d better put on a heavy coat.Sometimes it________be very cold here at night.

Cheating is strictly forbidden in this important exam, and students ______ bring any reference books into their classrooms, cell phones included.

— Mike, is this your eraser? — No, it’s not ______.  Maybe it’s __________. 

- Mr Jackson, __ we go rock climbing? m Yes, but you must use ropes.