I bought a pet yesterday but I don’t know how to it.Alook　 forB. look afterC. look u

问题补充：

I bought a pet yesterday , but I don’t know how to it.

Alook for

B. look after

C. look up

Dlook out

答案：

A. look for

(答案→)B. look after

C. look up

D. look out

解析：根据题干，本句的意思是：昨天，我买了一张宠物，但是我不知怎样照顾它。look for“寻找”。look after“照顾”，look up“查阅”，look out“当心，小心”。所以本题选B。