用括号内所给单词的适当形式填空。（每空1分，共10分）

    Are you good at (swim)? Are you free on Saturdays and Sundays? Our club needs a swimming teacher (teach) children from 8 to 10 years old. It is interesting (study) with them. Please call Leo at 5968-4437.

    Are you busy after school? No? Can you (speak) English? Yes? Then we need you to help some American (student). They study in Beijing. They can't speak (China) now. They are friendly and you can make (friend) with them. Please mail Mr. Liu at helpingus@gmail.com.

    Can you play the guitar or the (drum)? Do you have time this Wednesday? (we) music club will have a party that day and we want you (join) us. It is fun. Please call me at 3253-1143.