从方框中选择合适的词组完成句子，其中有1项是多余的。

A.look out of B.laugh at C.move away D.all over the world E.climbed up F.look out

（1）At last，I

E

E

the mountain.The air was very fresh there.
（2）With the Internet，we can make friends from

D

D

.
（3）Don't

B

B

him.He is just a little boy.Everyone will make mistakes（错误）.
（4）Let's

C

C

the old desk and put a new one here.
（5）I

A

A

the door and see a dog playing outside.