The picture of the park memories of our class’s trip last year, when Mr. Smith began to take charge of our class.
The plane got back to the airport and landed____at last.
Our hall is ____theirs.
—— How ________ can you finish the drawing? —— In a week.
—— Excuse me, is this Mr. Brown’s office? —— I’m sorry, but Mr. Brown___works here.He left about three weeks ago.
We decided not to climb the mountains because it was raining ___.