—She looks very happy. She ____have passed the exam.—I guess so. It’s not difficult after all.
Most of the people _______ to the party were famous scientists.
I didn’t know this was a one-way street, officer.— ________
We shall never forget the days ________ we spent playing happily together.
______ is said, the Yeti is a large, hairy animal that walks on two feet like a human being.
It is thought that Zheng He, a Chinese in the Ming Dynasty, may have been the first person who _____________America from the East.A set out to B. set about toC. set sail to D. set sail for