--- Whose schoolbags are they ?     --- They`re          .

Cindy's father is a worker. He works in a __________.

I often write ________ letter to my pen friend.

– Why do you get up so early in the morning, Lingling?-- I generally make it a       to be up by 7 to read English.

We can get more ______ about the international affairs on the Internet than before．