单选题：Our manager is ________ an important customer now and he wil

题目内容：

Our manager is ________ an important customer now and he will be back this afternoon. A．calling on
B．calling in
C．calling up
D．calling for

参考答案：

答案解析：

They always give the vacant seats to ________ comes first.

They always give the vacant seats to ________ comes first.A．whoever B．whomever C

分类：英语四级题型：单选题

下列一般性货币政策工具中，缺乏弹性或灵活性的货币政策工具有（　）。A．公司市场操作 B．利率政策 C．再贴现政策 D．法定存款准备金政策 E．窗口指导

分类：英语四级题型：单选题

In refuting the alarmists, the author advances his argument by first challenging

分类：英语四级题型：单选题

Many people find it difficult to make up their minds whether to change their car

分类：英语四级题型：单选题

Madonna and Michael Jackson are not considered heroes because ________.A．they ar

分类：英语四级题型：单选题