单项选择题

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

<上一题目录下一题>

热门试题

单项选择题

Very few people could understand his lecture because the subject was very ______.

A．faint
B．indefinite
C．obscure
D．gloomy

单项选择题

Many new ______ will be opened up in the future for those with a university education.

A．opportunities
B．realities
C．necessities
D．probabilities

相关试题