— Hello, this is Tom. Is Jack in?— Sorry, he _________to his uncle’s home. May I take a message?A. has been B. go C. has gone
—Can you help me clean the classroom? —___________.
I used to ___________ in the country. But now I am used to ___________ in the city.
He ___________ Taizhou for two weeks.
—How long has Eliza been a nurse? —___________.
—Have you ___________ been to Beijing? —Yes. But only once.