题目

I still remembered the shop.I bought a pencil-box in the shop.
I still remembered the shop__________________I bought a pencil-box.
The old man has two daughters,and both of them work as doctors.
The old man has two daughters,_______________work as doctors.
We saw a film last night.It was very interesting.
The film__________saw last night was very interesting.
China has hundreds of islands,of which Taiwan is the largest.
China has hundreds of islands,_________________________is Taiwan.
This is the pen Ibought last year.
This is the pen________________________.

提问时间：2020-06-25

答案

where
both of who
which
the largest of which
which I bought last year