1.Encourage your children to try new things,but try not yo _

1.Encourage your children to try new things,but try not yo ____them too hard.
A.draw B.strike C.rush D.push
为什么选push而不选其他几个,是有什么词组吗?还有就是,我不太明白为什么要把这几个没什么关系的词设为选项,这几个词也有什么词组吗?
2.Water____ its own level.
A.searches B.meets C.satisfies D.seeks
首先,请问这句话是什么意思,还有,为什么选D,
3.—David han made great progress recently.
—_____ and _____
A.So he has；so you have B.So he has;so have you
C.So has he;so have you D.So has he;so you have
4.______,she could hardly have any time to play with her little daughter.
A.Busy as she was B.As was she busy C.was busy she D.As she was busy.
为什么选D,为什么不能选A,
第三题的话，为什么B选项是he has，后面却是have you 为什么倒过来了？