完成句子。

He looked at his work ________　________　________　________　________(带着满意的微笑)．

完成句子。

I bought some new shoes which ________　________　________(与……相类似)a pair I had before．

完成句子。

My father and I ________　________　________　________　________(对政治有类似的观点)．

完成句子。

We ________　________　________　________(认为他是)a great leader．

完成句子。

Acid rain ________　________　________(被认为是)one of the most serious global environmental problems．

完成句子。

Her sacrifices for her country ________　________　________　________　________(最终得到了承认)．

完成句子。

Alice glanced at the envelope and ________　________　________　________(认出了他父亲的笔迹)．

完成句子。

The students ________　________　________　________(假装正在读书)when the teacher came in．

完成句子。

We pretended that ________　________　________　________(努力工作)．

完成句子。

He ________　________　________　________(假装死了)when he came across a bear．