① ____ A. back B finish C. start
② ____ A. usually B dinner C. lunch
③ ____ A. eat B. late C go
④ ____ A. morning B. evening C bed
____ ____ the____ !
一次课堂练习,王莉同学做了如下4道分解因式题,你认为王莉做得不够完整的一题是( )