I don’t understand ______ such a silly question in class yesterday.

Alice, is this your brother’s dictionary?— Let me see. Oh, no. ______ is in his school bag.

I live in an apartment ______________ two living rooms.[ ]

I fell in love_______ the beautiful city of Ningbo while I was_______vacation there. [ ]

I’m a little tired. Let’s go to the zoo by taxi. —We ________take a taxi. It’s not far from here.