单项选择题

At first, the speaker was referring to the problem of pollution in the country, but halfway in her speech, she suddenly ______ to another subject.

A．committed
B．switched
C．favoured
D．transferred
<上一题 目录 下一题>
热门 试题

单项选择题
______ as it was at such a time, his work attracted much attention.
A．Being published
B．Published
C．Publishing
D．To be published
单项选择题
The manager needs an assistant that he can ______ to take care of problems in his absence.
A．count on
B．count in
C．count up
D．count out
相关试题