There are altogether eleven books on the shelf, ______five are mine.
| A．on which | B．in which | C．of which | D．from which |
Mary is very clever and _____ worth teaching, but her brother is not. Look, he is now _____ asleep in class.
| A．very, very | B．much, very |
| C．well, very | D．well, fast |
We were two hours late that day, which was due to the ______.
| A．crowded traffic | B．crowded traffics |
| C．busy traffic | D．busy traffics |
Let’s make it at seven o’clock on Tuesday morning at my office if ________.
| A．you’re convenient | B．it is convenient for you |
| C．you feel convenient | D．it is convenient with you |
I think he is _____ to tell us the secret, but I’m not sure.
| A．possible | B．likely |
| C．impossible | D．certain |
Our team is _____ to win the match.” “Really? But I don’t think so.”
| A．easy | B．difficult |
| C．possible | D．sure |