A. is she
B. isn't she
C. are they
D. aren't they
A. are they
B. are there
C. aren't they
D. aren't there
A. could lock
B. wasn't able to lock
C. couldn't unlock
D. was able to unlock
A. has got to
B. should be able to
C. can
D. could
A. could go
B. could have gone
C. went
D. ought to have gone
A. would be/ spoke
B. were/ would speak
C. were/ spoke
D. would have been/ had spoken
A. be able to have gotten
B. have been able to get
C. to have been able to get
D. be able to get
A. could buy
B. was supposed to buy
C. had to buy
D. was able to buy
A. have they
B. haven't they
C. has he
D. hasn't he
A. could
B. was able to
C. couldn't
D. might
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