用助动词do或does完成句子.______ Bob and Bill eat a healthy supper?No,they ______.

用助动词do或does完成句子.______ Bob and Bill eat a healthy supper?No,they ______.
用助动词do或does完成句子.
______ Bob and Bill eat a healthy supper?
No,they ______.

用助动词do或does完成句子.______ Bob and Bill eat a healthy supper?No,they ______.
因为是两个人,所以要用do,不能用第三人称的does:
Do Bob and Bill eat a healthy supper?
No,they don't.

___Do___ Bob and Bill eat a healthy supper?
No,they __don't____.