下列表示骨、关节和肌肉关系的示意图中，正确的是（    ）

用方框中所给单词的适当形式填空，每词限用一次。            

(1) Take some rest after lunch and you won't feel ____ in the afternoon. .

(2)When the child saw her parents waiting at the school gate, she ran ____  them.
(3)Don't ____  about your exams, everything will be fine.
(4)To protect____ , scientists suggest the people stop fishing in some parts of the ocean.
(5)My host family is really nice .They try____  best to make me feel at home .

用所给动词的正确形式填空。

I____(not know) him two years ago.

When it is fine tomorrow, we____ (go) to the park.

Peter____ (not go) to school yesterday because he ____(be) ill.

When Linda ____ (be) young, she danced very well.