They do some exercises _____Friday morning. [ ]

My friends have never heard of their names, ______ have I. [ ]

Sally used to be , but now she enjoys meeting new people.

Excuse me. I want to buy some stamps. Where can I find a post office?—I know _______ is not far from here. You can easily find _______.

Heilongjiang is the northeast of China,and north of Jilin. [ ]