题目：
在下列各句的空白处填入一个最恰当的单词，使句子意思完整，语法正确。
1. My pen is broken. Can you l_______ me your pen?
2. There are too many cars in front of the cinema. I can't find a place to p______ my car.
3. You'd better make a d _______ answer to the questions. Don't say other things.
4. Soldiers must obey o_______ If they don't, they will be published.
5. I w ___ who cleaned the classroom without telling me.
6. May I t _______ you to pass me the salt, please?
7. The guide l __ us through the park.
8. Don't say that to her, or you will o __ her. She'll be angry.
9. There are some c __ reasons why this information can't be made public.
10. The teacher is teaching us the s __ of the human body in the biology lesson.
答案：
1. lend 2. park 3. direct 4. orders 5. wonder
6. trouble 7. led 8. offend 9. certain 10. structure
