用所给单词的适当形式填空。1. It is impossible (possible) for me to finish the work today. I need anothe

问题补充：

用所给单词的适当形式填空。

1. It is impossible (possible) for me to finish the work today. I need another day to do it.

2. this is our new classroom building (build). There are eighteen classrooms in it.

3. The famous scientist (science) Qian Suesen died of illness on October 31, .

4. I thought (think) he could come to my party, but now I know I was wrong.

5. No one taught me. I learnt it all by myself (my).

答案：

解析：

【小题1】考查形容词。句意“今天完成工作对我来说不可能。我还需要一天时间。”根据句意可知，用possible的反义词，故填impossible。

【小题2】考查固定短语。classroom building教学楼，故填building。

【小题3】考查词形转换。science科学，scientist科学家，故填scientist。

【小题4】考查时态。根据could和后半句句意可知，空白处的意思是“原以为”，用过去时，故填thought。

【小题5】考查反身代词。learn sth by oneself自学......。故填myself。