—What are you going to do this summer vacation?

—I’m going to start a club to help students _____not interested in schoolwork.

A．who is

B．that is

C．who are

D．which are

You want to invite Susan to a party. Write an invitation letter to her, elaborating on the reason why such a party should be held and what activities will be arranged for them.

Do not sign your own name at the end of the letter. Use "Li Ming" instead.

Do not write the address.