Is there anybody who can lend me a hand?
I'm afraid not.You know,you're supposed to depend on ______.( )
A.myselfB.yourselfC.themselves
The telephone _______ by Alexander Graham Bell.( )
A.was inventedB.invents
C.invented
I _______ Anna since three years ago.( )
A.knewB.knowC.have known
If I go to the movie, I _______ my homework on time.( )
A.didn't finishB.don't finish
C.won't finish
I like Chinese, _______ I don't like math, because it's not easy to learn it well.( )
A.andB.butC.or
I think it's impolite _______ others waiting.( )
A.to keepB.keepingC.keep