21（）

警察经过彻底调查后得出结论，这起车祸是酒后驾车造成的。(result v.)

Topic：What do you think a true friend should be like? Base your composition on the text “On Friendship”.

她从未想到她如此信任的生意伙伴竟然背叛了她。

要不是太阳的热量，地球将是一个冰冻的星球。

我要是你的话，绝不会做出这样的蠢事。

我十一岁就暗暗打定主意，长大后要成为一位作家。

One of the tyres of the truck exploded because of__. (over, load)

Humans,like other animals,interact through____________behavior. by means of signs or symbols used conventionally.(communicate)

Young people will need to learn to _________________the responsibility of their own decisions.(shoulder)

The money will be spent on training first-time______to earn an honest living.(law,break)