You _____ phone him if you want to, but you _____! He will surely phone you.
A.may; mustn’t | B.have to; needn’t | C.can; needn’t | D.can; doesn’t need |
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You _____ phone him if you want to, but you _____! He will surely phone you.
A.may; mustn’t | B.have to; needn’t | C.can; needn’t | D.can; doesn’t need |