—My old friend White is going to visit me.—We haven't seen each other_____ five years.A. since B after C. for
--Where is Tom? --He ____ in the big room.
It’s eight o’clock . The students ____ an English class.
There are forty ____ in our school.
Tigers are ____ scary, so I’m afraid of them .
--Sorry, I forget ____ my homework . --Don’t do that again.