strong A.健壮的 B.瘦的 C.运动
Apples are sweet _______ fall. A. on B. in C. at
---__________? ---They are listening to music. A. What do they do? B. What are you doing? C. What are your grandparents doing?
There is a call ____ you. A. for B. on C. at
---______ do you like summer? ---______ I can swim in the river. A. Why, Because B. Why, And C. Which, Because
---What is Mike doing? ---He ____________. A. running B. swims in the river C. is walking