My uncle _______ his hometown for ten years.
A. left B. has left C. has been away from
—It’s important ________ us _______ learn English well.
—I agree with you. We should try our best to learn it.
A. to, to B. to, for C. for, to
There are some students ________ in the English lesson.
A. are sleeping B. sleeping C. to sleep
________ of the students in this class are girls.
A. One five B. One fifth C. First five
．Mrs. Liu often ______ poor students ______ food and clothes. She is really kind-hearted.
A. provides...with B. provides ... for C. gives ... for
The city has improved a lot _________ I came here a few years ago.
A. for B. since C. before
