( )4.They are going to ______ a mountain next Sunday.

A.climb
B.climbing
C.run

4. A

( )5.The music room is ______ the fourth floor.

A.in
B.on
C.for

5. B

Ⅳ. 阅读短文,判断下列句子正(T)误(F)。
Hello! I'm Mary. I'd like to introduce(介绍) my village to you. My village is in the mountains. There are many small houses and a river. There is a bridge over the river. The water is clean. There are many fish in it. There is a road near the river. There are many flowers beside the road. My village is really beautiful. Welcome to my village. You'll love it, too.
( )1. Mary's village is beautiful.
( )2. There is a road near the river.
( )3. There are many tall buildings in the village.
( )4. There isn't a bridge over the river.
( )5. There are no flowers near the road.

【解析】：
1. 文中提到"My village is really beautiful"，说明玛丽的村庄很漂亮，因此第1题是正确的。
2. 文中明确提到"There is a road near the river"，说明河附近有一条路，因此第2题是正确的。
3. 文中提到"There are many small houses"，说明村里有很多小房子，而没有提到有很多高楼，因此第3题是错误的。
4. 文中明确提到"There is a bridge over the river"，说明河上有一座桥，与第4题陈述的“河上没有桥”相反，因此第4题是错误的。
5. 文中提到"There are many flowers beside the road"，说明路边有很多花，与第5题陈述的“路边没有花”相反，因此第5题是错误的。
【答案】：
1. T
2. T
3. F
4. F
5. F