Lisa speaks very good Chinese. —Yes. She has ________ China for quite a few years.

Don’t read .It’s bad for your eyes.

Tom _____ full marks, but he was too careless and made a spelling mistake.

Will you give me a hand I have some trouble_______ the scientific problem.—Don’t worry. I’ll try my best to help you _______.

Frank ______ London by train which ________ at 8:30 next morning