单项选择。
— do you come to school?
— By bike. [ ]
A. How
B. Where
C. What
D. Which
答案:A
—It’s time for lunch, Mum! I am hungry.
—_____________________.
A.I’m sorry to hear that.
B.OK. Let’s make some sandwiches.
C.That’s all right.
D.Never mind.
批发市场与商品交易所都是集中进行商品批发交易的常设场所。批发市场主要进行()交易,而商品交易所主要进行()交易。