单项选择题
（）is important that you choose clothes that suit your shape.
A.There B.It C.This D.That
单项选择题 （）you work, the more you can harvest.
单项选择题 （）today. Yes. It was even hotter yesterday.
单项选择题 （）to have kept you waiting so long. Oh, never mind. After all, you are here.
