---- ______ do you exercise? ---- Twice a week. A. How much B. How long C. How often
There _____a number of books in our school library. The number of books_______getting larger than last year.
—When shall we go to watch the basketball match in the sports centre?—Not until the work________ tomorrow.
—I don’t like reading newspapers —___________.
Usually naughty boys try to ___ the teachers’ attention by making a lot of noise in class.
It was her ______ performance. Her successful career _______ about 40 years.