A. Tobe in the past simple tense:
1. He (be) .............. in class yesterday.
2. I (be) ............ in HCM City two weeks ago.
3. They (be) ........... very happy in VN in the last spring festival.
4. There (be) ............. an exciting program on TV last night.
5. My children (be) ............... tired yesterday.
6. Loan (be) ............... unhappy because she had no friends in the city.
7. Mary (not be) ................. at the library yesterday.
8. They (not be) ................... difficult exercises.
9. The homewrok (not be) ................. very difficult yesterday.
10. The seafood and orange juice (not be) ................... delucious.