___（计划）ahead is helpful.

Lynn is helpful. She is more helpful.同义句.Lynn is （ ）（ ）（ ）（ My brpther is polite and helpful(对polite and helpful提问） advertising is helpful It is helpful to A good friend should be kind and helpful.___ is my mother. I think the telephone is the second ___ A.helpful B.more hel （）1.He is helpful and everyone （）him she is helpful and ——（friend） （Wendy ）is polite and helpful.(对画线部分提问) （ ）he helpful at home?A .Are B..Is she is helpful 中文意思 Do you mind ___?Go ahead