Every few years, the coal workers their lungs X-rayed to ensure their health.
#102390
A
are having
B
have
C
have had
D
had had
推荐题目
—Sorry we’re late．We ______ the wrong turning．—That’s all right．Come in, please．
#103231
A
take
B
have taken
C
took
D
had taken
Have you nearly finished? Time_______.
#102536
A
is run out
B
has been run out
C
is running out
D
has run out of
With all the food supply ___, the researchers had to put an end to the wildlife protection project and returned home.
#103075
A
running out
B
to use up
C
run out of
D
using up
You’ve failed to do what you ___________ to and I’m afraid the teacher will blame you.
#100094
A
will expect
B
will be expected
C
expected
D
were expected
With the development of science and technology , more new technology____ to the fields of IT.
#102605
A
has been introducing
B
is being introduced
C
is introduced
D
was introduced