You have already tried your best, so you _____worry too much about the exams.

Hi, Jim. Can you lend ______ your pen?—Sorry, I’m using it.

When I was at the college , I __________ up early to do some body building exercise .

Morning! _______ you Mr Huang? —Yes. My name ______Huang Heping.

Now the air in our town is __ than before. Yes. Something must be done to stop the pollution.