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【单选题】
The man told me that by the end of the week he _______ away from his hometown for 20 years.

has been
will have been
is to be
would have been
【单选题】
he park has been built and it will be open _____ three years

A. in
B.for
C.on
D.after
【单选题】
—Are you a teacher?—No, but I ________ once. I worked in a middle school for three years.

am
will
do
was
【判断题】
Before he began to study in the university, he had worked in a company for three years.

正确
错误
【单选题】
_____ you work hard enough _____ you be able to get a PhD degree in three years.

Only if, will
If only, would
Should, will
Unless, would
【单选题】
The United States______ many other industrialized countries,______ major changes over the past 100 years.

as well as; has experienced
as well as; experienced
together with;experienced
together with; have experienced
【单选题】
It has been proposed that we ____ our decision until the next meeting.

delayed
delay
can delay
are to delay
【单选题】
It has been proposed that we _____our decision until the next meeting.

delayed
delay
can delay
are to delay
【单选题】
My grandfather had suffered from cancer for two years. It was no surprise when I was told that he had _____.

passed off
passed away
passed by
passed over
【单选题】
This technology has been ?around for a long time, but not until recent years _______ it in marketing.

businesses employed
did businesses employ
businesses had employed?
had businesses employed