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
Imagine how excited we were ____ that our schoolmates had been admitted to some famous universities.
Helen said that she would come to see me the next day, but she_____.
Everybody believes he will be the winner of the 100-meter ____.
---What are you busy doing these days? ---____ the college entrance examination.
To save class time, our teacher has ____ students do half of the exercises in class and complete____ for homework.