I'm afraid I won't be available. I __________ a friend off at 3 o'clock this afternoon.
---What do you think of the book? ---Oh,excellent. It's worth____a second time. A. to read B.to be read C, reading D,being read
---Have you ____some new ideas? ---Yeah. I'll tell you later.
.I have___all my papers but I still can't find my notes.
---Excuse me, could you tell me the time?----Sorry. I don’t have a watch with me. ----_____.
I thought he was not____ of a professor the first time I heard him speaking to the children at the platform in the hall of our school.