—Is the man who is singing your teacher?--- Yes, he teaches _____ physics.
–What did you buy during your last trip? -__________ .I lost all my money.
My brother Jack can play __________ guitar, but he can’t play __________volleyball.
______I'm going to Japan or Canada. A.May B.May be C. Maybe D,Be
-Would you mind me opening the window?
-How often do you go to the movies ? -________,but not often.