—Whose hair band is this?
—It _____ be Grace’s. She is the only girl at the meeting.
A. might B. wouldn’t
C. must D. can’t
________ the weather report, we will have terrible cold weather this winter. So we should do something to keep warm.
A. according to B. thanks to
C. because of D. instead of
—More and more students wear glasses now.
—______.
A. So they are B. So are they
C. So they do D. So do they
—Jim, do you know the reason _____ Bob kept silent during the discussion?
—I guess he was thinking about his sick dog. It might be dying.
A. why B. what C. where D. which
We’ll leave for senior high schools soon. It’s really difficult _______ goodbye to our teachers and friends.
A. to say B. to speak
C. saying D. speaking
—Let’s climb the mountain.
—I don’t agree. _______ the mountain will make us exhausted.
A. Climb B. Climbing
C. Climbed D. Climbs