一、用方框中所给单词的适当形式完成句子
say, send, write, eat, think
1. This book by a famous writer last year.
2. The lost keys to be in the car, but they weren't.
3. It that she can cook better than a professional chef.
4. The cake because it was too sweet.
5. The sick boy must to the hospital at once.

1. was written
2. were thought
3. is said
4. wasn't eaten
5. be sent

二、按要求完成句子
1. The poster was designed by a group of students.（对画线部分提问）
the poster designed by?
2. Potato chips were invented by mistake.（对画线部分提问）
potato chips invented?
3. The swimming pool was built in Joe's house last month.（对画线部分提问）
the swimming pool in Joe's house?
4. The students were praised because of their great progress. （对画线部分提问）
the students ?
5. The music festival is held every summer. （改为一般疑问句）
the music festival every summer?

1. Who was
2. How were
3. When was; built
4. Why were; praised
5. Is; held