—Is Mr. Smith over there?—It ________ be him. He has gone to Beijing on business.
The old man lives in a village __________,but he never feels ____________.
He _______ his homework and is now listening to music. A. finishes B. has finished C. finish D is finishing
---I’m going to Hangzhou for a holiday this weekend. --- ___ you are there, could you buy me some green tea?
You have worked for a long time. You ____________ be very tired.
It ________ over ten years since the dog ____________.