be careful to look both ways before you (cross)the streetbefore 后面的动词什么时候就用原形?

连词成句 be,to,careful,both,look,ways. be,to,careful,both,look,ways.(连词成句） it is important_______.A.to careful B.to careless C.careful D.to be careful I often tell my students ______ .A.careful B.be careful C.to be careful D.be carefully please be ___ of the dog.look after your sister ___.A carefully;carefully B careful;carefullyC carefully; careful D careful;careful说明理由 be careful 选出与画线部分意思相同或相近的词或短语A.Be supposed to B.Look out C.Be friendly to D.Look through说明原因喔 翻译句子并选择词语填空You may not need to drive a bus,but__ if you have to travel in one. a look around b look after c look at d be careful翻译一下 look out and always be careful意思 He often tells the children_____when they play water sports.A.be careful B.to be careful with C.to be careful D.not be careless Be careful to look both ways before you cross the street,（ ）?该反义疑问句. be careful to look both ways before------(cross)the street-----内要求内容 Be careful to look both ways before ------ (coss) the street请问应该填什么形式? Be careful to look both ways before you________(cross)the street.单词正确形式填空 Be careful to look both ways before you _______(横过)the street, Be careful to look both ways before you cross the street.改为反意疑问句 “Look out,there comes a bus!Here look outmeans---A,look at B,be careful C,be careless D,look out of She asked me_____knock off the glass of water.A.please be careful to not B.to be careful not toC.to be careful not D.not to be careful to ( )when you cross the road.A.Do care B.Care C.Be careful D.To be careful