—Look! Isn’t that Peter’s sister?
—No, it ________ be her—I’m sure she doesn’t wear glasses.
A.shouldn’t | B.oughtn’t | C.mustn’t | D.can’t |
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—Look! Isn’t that Peter’s sister?
—No, it ________ be her—I’m sure she doesn’t wear glasses.
A.shouldn’t | B.oughtn’t | C.mustn’t | D.can’t |