【题目】Thomas has already finished his report on fighting against pollution. （改为否定句）

【题目】Several people were ________ hurt in that car accident last month. (serious)

【题目】Studies have shown people's short-term ________ becomes worse when they get older. (memorize)

【题目】Last summer, I went for a budget trip with my father to ________. It was great fun. (German)

【题目】The elevator is out of ________ right now, so we have to walk upstairs. (serve)

【题目】Every student in the ________ Grade is working hard to get ready for the high school entrance examination. (nine)

【题目】It's really enjoyable to have a close look at different ________ in Italy. (church)

【题目】After the manager finished ________ the complaint letter, he wrote back to Mr. Clark immediately.

【题目】You'd better use the GPS with you during the journey ________ you won't get lost.

【题目】________ amazing it is to see so many wild animals with my own eyes!