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...