---Listen! Is Kitty in the next room? ---No, it ______ be Kitty. She has gone to Beijing.
A.may not | B.can’t | C.mustn’t | D.needn’t |
---Listen! Is Kitty in the next room? ---No, it ______ be Kitty. She has gone to Beijing.
A.may not | B.can’t | C.mustn’t | D.needn’t |