1．

include while one another die plenty

（1）I think we should help each other and learn from .
（2）Michael was sad and felt his life out of control after his father's .
（3）My tour in Beijing last week a visit to the Science Museum.
（4）You should eat of vegetables to keep healthy.
（5）My cousin was swimming I was having lunch.

2．When we are at school，we should help ______ in study．（　　）

3． The sat for two hours without talking to .
他們坐了兩小時，相互不說話。