——Is this_____football, boys?——No, it is not .
You’d better _______ too much meat. You are much too fat. A. not eat B .eat C. not to eat
---This bag is too heavy for me. Could you please do me _____ favor? -----Sure . A. the B. an C. a
—____—They’re English books.
—Do you know the girl ____ red?—Oh, she is my sister.
____ are good friends. We’re in the same class.