The little girl can’t decide ______ though there are so many kinds of MP5 in the mall.

The old man is too tired _________ go any further.

If you don’t study English all the time, you’ll have a difficult time ____ it in the future.

Our music teacher is always heard _______ in the music room.

Students should do everything they can __their study.

–I feel tired and sleepy.
–Why not stop __________?

When I came into the classroom, I saw some girls _______ happily.

Mike invited me ______ tennis this weekend.

She asked me ______ her a cup of coffee.

I think the lives of children in poor areas _____ greatly by this project.