1 . With a little more care, you________the traffic' accident.It' s lucky that you just hurt your arm.
A.can avoid | B.arrived |
C.had avoided | D.could have avoided |
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2 . Only after David was asked to pay more attention ______ repeating the same mistake.
A.he avoided | B.did he avoid |
C.had he avoided | D.he had avoided |
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