He is ill, and he has ___ in bed for a week.
#103922
A
lay
B
lied
C
laid
D
lain
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A killer whale at Sea World Orlando jumped out of its tank on Wednesday and fatally attacked a worker as horrified visitors _______.
#104053
A
has been looking up
B
looked on
C
had looked off
D
was looking in
Public attention at the moment is ______ on the problem of how to create opportunities for the laid-off workers.
#103481
A
focused
B
paid
C
attracted
D
concerned
All the preparations for the task ________，and we're ready to start.
#99745
A
completed
B
complete
C
had been completed
D
have been completed
She__________ Robert for ten years.
#103436
A
married
B
married with
C
has been marrying
D
has been married to
Experiments of this kind ___in both the U．S and Europe well before the Second World War．
#100251
A
had conducted
B
have conducted
C
have been conducted
D
had been conducted