Read and complete. 

1. My sister and I            students in the same school.

2. They             trees last weekend.

3. Let's _         and _____ basketball.

4. Ben           tofu and vegetable           much.

5. I           to Beijing            train last weekend.

6. I went to Shanghai.            did you go        _ your holiday?

钢材淬火后获得的组织大部分为马氏体。