Mom, I don’t know how to work out the math problem. Could you give me a hand?
. – ______Bob be the manager of our company? – He ______ be, but I’m not sure.
______ number of the students in their school is about two thousand, ______ of them are boys.
The train station is about ______ bike ride from the post office.
– I’ve got many books on Chinese food. You can borrow ______ if you like. – No, I want to buy ______ in the bookstore.
– Is there a bridge over the river? – Yes, there is ______ bridge over it.