—How often do I need to feed the fish?
-They _______ food every day, or they will be hungry.
A.must give | B.mustn’t give | C.mustn’t be give. | D.must be given |
—How often do I need to feed the fish?
-They _______ food every day, or they will be hungry.
A.must give | B.mustn’t give | C.mustn’t be give. | D.must be given |
试题篮
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