________ to sunlight for too much time will do harm to one’s skin.
. -----I’m thinking of the test tomorrow, I’m afraid I can’t pass this time. -----_________! I’m sure you’ll make it.
The Great Wall is ______ tourists attraction that millions of people pour in every year.
It ___ have been Tom that parked the car here , as he is the only one with a car.A may B can C must D should
______ is our belief that improvements in health care will lead to a stronger ,more prosperous economy.
---Could you be so kind as to close the window?---______