If you're coming, please let me know（）advance.

A. is possible

B. possible

C. it possible

D. possibility

A、OK, I have divided my report into three parts, the first part is an overview of the project.

B、OK, the project is perfect.

C、No, the project isn’t so good.

A.Did you have a good time today?

B.You're welcome.

C.Please keep in touch.

D.It was a pleasure having you. Please come again.

Will you please let us know details of any lines of goods which you think are ()for your market.

A、interesting

B、suitable

C、proper

D、desirable

A、No, I can’t.

B、Yes, you’re right.

C、I don’t know either.

D、Sorry, I don’t know.

—What’s wrong with me, doctor? I feel quite bad.—_______

A.I don’t know.

B.Let me treat you some whisky.

C.I’m not sure. Let’s take your temperature.

D.You are a little overweight.

— Let’s go and have sports together.\n— _______

A.Yes, please.

B.You’re welcome.

C.Good idea.

D.Thank you.

A. Happy birthday to you.

B. Let me help you with your maths.

C. Please remember me to your mum.

D. Don’t forget to post the letter.

Would you please open this suitcase for me? I can't open it.().

A. Oh, sorry to bother you.

B. Actually, I'm not sure.

C. OK, let me see.

If I may be () further assistance () you, please let me know.

A、of,for

B、with,to

C、of,to

D、upon,to