It’s two and a half weeks since the exchange students __________ Taixing.
—Can you make understood in English? —Yes, I can.
—Look! What's in the tree? — bird, I think.
—I wonder ______ without water.—For about a week.
______ interesting the book is! I want to buy one, too.
—Who’s the little girl in the photo?—It’s me. The photo ______ 10 years ago.