1. Bao ___ his homework at 8:00 last night
A. were doing B. are doing C. is doing D. was doing
2. While Angela was cleaning her room, she ____ her lost ear-ring
A. is finding B. finds C. has found D. found
3. While Hoa ____, the teacher
A. arrived B. are arriving C. was arriving D. were arriving
4. They separated the rice form the husk ( turn into passive form)
The rice _________________________
5. People wash the used plastic bottles with water. (passive form)
The used plastic bottles ______________________________
6. To pass all the exams is very happy
It's _______________
7. We ____ (have) dinner when hoa came
40 He ___ (forget) his homework