Ⅰ、Choose the best answer.(选择最恰当的答案，用A、B、C或D表示填入括号内) （共20分）
( ) 1. How much meat do you want to have, sir?
_________ .
A. One and a half kilo B. One and a half kilos
C. One kilo and half D. One kilos and a half
( ) 2. The apples on that tree ________ big and beautiful.
A. is B. are C. looks D. can
( ) 3．—Do you know if he _________ to play basketball with us？
—I think he will come if he _________ free tomorrow．
A．comes；is B．comes；will be
C．will come；is D．will come；will be
