They could help( )the city parks.A.to clean up B.cleaned up C.cleaning up

They have done all they could to help him.为什么是to help? help me ______ they could 填whenever还是whatever 为什么 英语翻译Hi A,Please provide those people’s English names that I marked yellow color since I could not map them with user accounts ( or they may need to create their accounts).Best,Dear B,Could you help to change the organization chart in the Th （ ）They asked _____they could help us A that B what C if D who they discussed____they could settle the problem without others' help.为什么填whether 不能是if 呢? They could help( )the city parks.A.to clean up B.cleaned up C.cleaning up They tried their best to do __________ help us. A. that they could B) all that they couldThey tried their best to do __________ help us. A. that they couldB) all that they could C. what they could to D. what they could请高人解释下为什么 英语错误改正题；On the hall,students were happy to celebrate the 30th anniversary to Happy Valley School.They played games and won prizes .Some students had come bad to help them.With their helping hands,the teachers could finish the decorati they told us that they were going to help us to overcome and difficulties we could meet 1．第1题 单选题 They discussed _______ they could settle the problem without others' help. could you help me? 选择题;They __to help but could not get here in time.A.had wantedB,have wanted C,was wantingD,want How many ways could you help people?what are they?写一篇英语作文.3Q80字就行. 选择题;They __to help but could not get here in time.A.had wantedB,have wanted C,was wantingD,want His friends did ____ they could ______ him out of difficulty1.all what;to help 2.all that ;help 3.all;to help 4.what;help答案是.3但是为什么不是His friends did all they could do to help him out of difficulty呢,2.为什么不是同 could you help me ,please?( ) They asked ____ or not they could help us .A.if B.whether为什么选B不选A,if不是也有是否的意思吗? They will help children