Great changes have taken place since then in the company _______we are working.
A. where
B. that
C. which
D. there
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The old man asked Lucy to move to another chair _______ he wanted to sit next to his wife.
A. although
B. unless
C. because
D. if
You may use the room as you like _______ you clean it up afterwards.
A. so far as
B. as long as
C. in case
D. even if
So excited _____ that he couldn't say a word.
A. did he seem
B. he seemed
C. seemed he
D. seem him
Without your help, I final exam.
A. would have failed
B. should have failed
C. had failed
D. will fail