He said that he dropped his bag when he ______ for the bus.a. was runing b. was running c. were running d. is running
12. To my surprise, some of my students_____ stay up to study for the coming examination
11. It is natural that____student doesn't know some answers to____questions raised by their teachers.
10. - Can you show me your headmaster's office? -_____But I don't know if he is in at the moment. A. Go ahead B. You're welcome c. Of course not D. Sure
9. After playing basketball for two hours. he returned home.
8. There's_____cooking oil lefi in the house. Would you go to the comer store and get____?