根据汉语意思翻译句子

1. 昨天他们去动物园了。

2. 他不在家。他去动物园了。

3. Tony has sent emails to his friends, (already)

4. Mary has written a letter to him. (just)

把括号中的副词放在句中合适的位置

1. We haven’t cleaned the room, (yet)

2. She has left for Shanghai, (already)

2. 宇航员已经去过月球了。

Astronauts

the moon.

根据汉语意思完成句子

1. 我刚刚做好了宇宙飞船模型。

I've a model spaceship.

4. 决定做某事

5. 以……命名

翻译短语

1. 回来

2. 电视节目

2. be careful to make friends;

3. call the police when you are in danger ;

4. eat healthy food;

5. don't crowd  (go upstairs and downstairs)

go to school.

Playing too many computer games is our health.