M r. Li is _____teacher. ______is from China.

Does anyone want to go to the theatre?— Whom would you rather ____ with you, John or Ted?.

My younger brother couldn’t work out the answer and ______.[ ]

This math problem is ______ difficult ______ that one. [ ]

Jack, could you help me when the plane will take off on the Internet? —I’m sorry, my computer doesn’t work.