词汇 20%
请根据括号中的提示，英文释义或句意写出句中所缺的单词。
Betty is ___________ to her friends, she often buys presents for them.
The      （长度）of their summer holiday is about two months.
Drinking a glass of milk every morning is good for our h      .
I got 10points and he got 6points, so he did the exercises more c________ than I.
English is one of the most important l      .
There is a lot of t      on the road at8 a.m. every morning.
The Three space _______(英雄) returned to Beijing on September 29^th.