用am,is,are,were,do,does填空what ()they often cat for dinner?;()they go to the movie?No,they didn't

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用am,is,are,were,do,does填空what ()they often cat for dinner?;()they go to the movie?No,they didn't

1.What(do)they often eat for dinner?
2.-(Did)they go to the movie?
- No,they didn't.
1.eat 是实义动词,they 又是复数,所以不用does,用do.
2.didn't 可以推出括号里填did.前后一致.
另:am , is ,are, were都是系动词,只能与动词分词(现在分词,过去分词)连用.不能与动词使用.只不过were是过去式.用在过去时态中.

1.do
2.did

what (are) they often eat for dinner?
(Were) they go to the movie?