1 . unless I call you.
A.Please come | B.Not come in | C.Don’t come in | D.Come in |
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2 . ______ late again, Bill!
A.Don’t to be | B.Don’t be | C.Not be | D.Be not |
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3 . ________ afraid. I won’t let these dogs bite you!
A.Not | B.Don’t | C.Not be | D.Don’t be |
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