mother told jim to __ the milk until it boiled

1．mother told jim to __ the milk until it boiled
A observe B watch C notice D glance at
ACD为什么不对
他们的区别是什么啊
2．when the children are too young to walk____ far,their mothers take turns driving them to school.
A so B this C very D that
答案是D
能给出原因吗，其他的为什么不对
3. more car pools should be formed in order to put__ automoniles on the road and to use less oil.
A MORE B fewer C many D less
答案是B 为什么不选D啊

mother told jim to __ the milk until it boiled ...But mother told me____.We'd better watch Tv. I told Jim jokingly that his painting looked like a mess from where I was still,JIM loved my mother about as much as anyone in the world 中文意思，谢谢 The boy wanted to ride his bicycle on Nanbin Road,but his mother told him_______ I told my mother that I ____ for about two weeks. She told me how remarkable Jim has been in complaining so rarely despite his constant pain 请翻译 JACK told his mother the cat knock the vase off the table ,but the truth is he said 快速应答题：What if your mother know you told a lie?这个该怎么回答呢？ [高一英语题]Last night it was very hot,so he wanted to sleep outside, but his mother told him______