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
If my father ______here now, he _____ tell me what to do. But he left home just one hour ago.
#103472
A
were, would
B
were, will
C
is , would
D
is, will
John and I＿＿＿friends for eight years.We first got to know each other at a Christmas party.But we＿＿＿＿＿ each other a couple of times before that.
#104639
A
had been； have met
B
have been； have met
C
had been； had met
D
have been； had met
Robin ________ volleyball quite well, but he hasn’t played it since he entered senior high school.
#103006
A
is playing
B
had played
C
used to play
D
plays
The woman insisted that she ______ the mobile phone but none of the supermarket guards would believe her.
#99636
A
should not have stolen
B
should not steal
C
not have stolen
D
had not stolen