Excuse me. Which is the way ______ the post office, please? —Sorry, I don’t know. You can ask the policeman _______ help. [ ]
It’s so cold today.— Yes, it’scolder than it was yesterday.
What did you do yesterday?—My brother took two friends of ________ to play chess with us. But I don’t’ know _______ of them.
The little boy ________ his seat to an old lady on the crowded bus.
It is the first time that I _______ this kind of tasty moon cake.