— What is your scarf made ______?— Silk, and it’s made ______ Hangzhou.
I’ve become good friends with several of the students in my school _______ I met in the English speech competition last year.
— Shall we go out for a walk? — Sorry. This is not the right _______ to invite me. I am too tired to walk.
There was a loud cry from the backstage immediately after the concert ended, _______?
— Someone wants you on the phone. — _______ nobody knows I am here.
My grandparents never remember my telephone number, and they always _______ look it up.