Children need friends their own age to play with.A. ofB. forC. inD. at

问题补充：

Children need friends their own age to play with.

A. of

B. for

C. in

D. at

答案：

(答案→)A. of

B. for

C. in

D. at

解析：考查介词搭配。of与age构成固定搭配。friends of their own age意思是“与他们同龄的朋友”。