当你的老师向你介绍一位新同学时,你应对你的新同学说:________________________
If you study hard , I’m sure you’ll get good ________.
Our physics teacher told us that light ________ faster than sound.
—What do you want to be when you________? —A doctor.
—Many tourists ________to the Great Wall every year.—Yes, that’s true.
—What do you think of your trip to Hainan? —Wonderful. We were all ________with the ________trip.