每天开门营业后的某个时段内或多少个份数内给予优惠，称为（）优惠。
A.限时限量
B.积分
C.定时
D.无限量
参考答案：A
根据提示用适当的介词完成句子。
1.—Where are my books?
—They're o________ the sofa.
2.—Where is your pen?
—It's i________ the pencil case.
3.—Where are my shoes?
—They're u________ the bed.
4.—Where is my cat?
—It's b________ the door.
5.—Where is the telephone?
—It's n________ to the sofa.
6.—Where are the CDs?
—They're on the desk, b________ the books and the TV.
7. Their bookcase is n________ to the table.
8.—Is there a desk b________ the bed?
—Yes, there's a desk next to the bed.
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