( )(1)_______ your sister study science at school? Yes, she _____A. Does, does B. Do, study C. Does, studies
你向爸爸介绍Miss Liu的时候可以说:________A.Hello,Miss Liu. B.This is my teacher,Miss Liu.C.She's my teacher,Miss Liu.
图中人物在说什么,你知道吗?猜猜看,选择正确的句子。(8分)
four + five =________ A.nine B.ten
two × three =________ A.five B.six
ten ÷ five =________ A.three B.two