根据下列句子及所给单词的首字母提示，写出各单词的完全形式，每空一词。（5分）
6. Make sure to l the door after feeding the animals.
7. Let’s wait for a moment. The sun has not yet r .
8. Can you t this letter from German into English?
9. Look! The s on the wall said “No Smoking!”
10. That white building was built in the 19th c .