Mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the following questions.
On second thought, you _______ him as it was uneccssary; he was totally capable of doing it himself.
A.mustn't have helped
B.should have helped
C.can have helped
D.needn't have helped
On second thought, you _______ him as it was uneccssary; he was totally capable of doing it himself.
A.mustn't have helped
B.should have helped
C.can have helped
D.needn't have helped
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Hóa Học lớp 12
