—I’m in Class 4. Are you in Class 4, ____? —Yes, I am.
Hurry up, _____ we will not catch the early bus
Zhanglili is one of ______ in China
----How many birds are there in the tree? ---- ______
---Which do you like better, tea or milk? ----I don’t mind, _______ is ok.
I don’t know _____ these old clothes