Don't open the microwave oven when it( ).A.on B.is on C.is work D.work 请说明原因.
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Don't open the microwave oven when it( ).A.on B.is on C.is work D.work 请说明原因.
选B.is on.
when后面应该跟完整的主句,所以要有谓词,所以A和D不对;C不对的原因是,正确的用法应该是is working.
it is on 表示是开着的, 选择b
is work这个时态不对,如果用了is就表示是现在进行时 那么就要加ing了
希望对你有帮助哦~
答案选B.is on
当微波炉工作时,不要打开它。
when后面应该跟完整的主句,所以要有谓词,所以A和D不对;C不对的原因是,正确的用法是is working。
您好,选B. is on。
when后面应该跟完整的主句,所以要有谓词,所以A和D不对;C不对的原因是,正确的用法应该是is working。
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