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【单选题】
The new technology has been ( ) in the industrial production.

utilized
possessed
elevated
focused
【单选题】
Tom has been a vegetarian ____ principle for years.

in
on
for
by
【判断题】
He has been in china for three years.

正确
错误
【判断题】
Has she been listening? Yes, she has./ No, she hasn’t.

正确
错误
【单选题】
I hope ___ the little ___ I have been able to do has been of some use.

that; that
/; by which?
what; what
/; with which
【单选题】
If Linda had practised hard enough last week,she______ more confident on the stage now.

would have been
had been
is
would be
【单选题】
Its ( ) that he has been away from home.

evident
important
genuine
alternative
【单选题】
____ you know, David has been well lately.

Which
As
What
When
【判断题】
The population of beijing has been increased for ten years.

正确
错误
【单选题】
He has been to Beijing . So [填空] I.

have
does
do
did