—Ann looks hot and dry. —So _______ you if you had a high fever.

—Do you think George has passed the driving test?—No.If so，he ________ his car to our college yesterday.               

The scientists recommend that studies ________ to find out what side effects the medicine might cause.

 If the island ________ a tourist attraction, last week's earthquake would have caused far more deaths.

---Have you heard of Wang Meng? ---Yeah, she ______ have done better. She won China’s first gold medal at Turin.