—Could you help me with the math problem?—________ Your must be barking up the wrong tree.
—Why is Mr. Li so happy this morning?—Because he was honoured with a(n)______ for excellence in teaching.
The news that he won the game sounds .
----I’ll tell Mary about her new job tomorrow. ---- You_____ her last week.
This depends upon he is interested in doing this kind of work.
I was about to leave the office an unexpected visitors came.