The boy ________ his book here and forgot ________ it home.
—Excuse me,but is that my passport? —Oh,sorry.I took________by mistake.
—The picnic is only in three days.Have you made any________? —Not yet.So let’s discuss what to prepare.
Here is the book.First________it and then tell me what you think of it.
—Look!Some people are running the red lights. —We should wait________others are breaking the rule.
—I’m sorry,sir.I’ve made a lot of mistakes in the exam. —Never mind.________,the exam is a little difficult.