—Where is Mr. Wu? I haven’t seen him for several days.—He ________ America and he ________ from his home since last week.
– Can a plane fly _______ the Atlantic Ocean? --Yes, but it needs to go _______ the clouds for hours.
The man is very ill and he has _______.
They are _______ little sheep that we can’t make much money by selling _______.
______ of the people here live on rice,and the people there live _______ on noodles
They are very grateful _______ us _______ them so much help.