they need ( )English well first

Look at those flowers,They need() A.to be watering B.watered C.waters D.watering 要原因

英语渣 对括号内短语提问
They need (one)watermelon.
He put (two teaspoons of)yogurt into the blender.
The pants are (ten dollars)

1.--need children _______(organize)activities?--no,they needn't.the teacher organized them.
2.children need _______(organize)for the ***,because they are too young to understand the rules for such a big ***.they may sometimes run or shout.
3.--would you like _____ (open) the door for me?---of course.i like _______(open) doors for others.
4.to our _______ (惊讶）and __________(失望）,the factory is still pouring waste water into the river.
5.his success ______ me,all of us are ______ at his _______success.(surprise)
6.as we know,some people are good at ________ but bad at giving back.
7.she's good at studying.she studies better than me,and she is _____ at speaking english than me.
8.the final exam is coming near.i feel under p_______.i hope to have some ways __________(处理）it.
9.students c______ about having much homework to do,but they don't know the importance of it.
10.i don't know french,she doesn't know french,either.= ______she _____ i know french.
11.please buy her a bottle of water.= please _____ a bottle of water _____ her.
12.please write her a letter.= please ______ a letter _____ her.
13.please show her a letter.= please ______ a letter _____ her.
14.our parents often tell us _________(not swim) alone in the river in summer.
15.what else would you like?=what _____ _____ would you like?
16.his father looked ______ and he was looking ______ at him because of his serious mistake.(angry)
17.i didn't know he came back ______ i met him in the street.
18.he found it difficult ________ (help) others with english.
19.stephen spends about half an hour ______(swim) every saturday afternoon.
20.sandy was ______(happy) because she failed in the math exam yesterday.

People go there _when_ they need _help with_ their problems.第二空为什么不填to help with