His English ________ a lot since he took the course.

I don’t know if Mr. Wang ________here tomorrow . If he ______ , please tell me .

As students, we ________ study hard to make our country more beautiful and stronger.

I hate people _______ talk too much but do little.

Tommy, do you know if Frank to the theatre with usthis Sunday if it?—Sorry, I have no idea.[ ]