--- I have trouble _______ my new computer.---Don’t worry. I’ll show you how _______it.A. using; using B. to use; to use C. using; to use
Mr Brown is fat. The doctor told him to eat ______food and take ______exercise.
I’m _______ in places of ______ in Beijing
I feel ______ because my job is too ______.
________ playing chess after school?
Tom is of the two boys.