---- “Each of the students, working hard at his or her lessons,___to go to university.” -----“So do I.”
Don't call me unless there are some ______ matters.
You will find the laptop well-designed when he ______ it ______.
As we all know, he never ______.
We ______ to clean the blackboard every day.
The old man is ______ under the tree and ______ a paper.