Echo for half a month. She’ll come back in two months.
A boy _______ Tom _________ by a car yesterday.
-- So far, how long _______ you __________ China? -- For one year.
It was _________ difficult work ________ nobody can do it.
-- _____________did your uncle leave his hometown ? --He ____________ for nearly twenty years.
A: Where is Simon? B: He ________ the USA. A: By the way, have you ever ________ abroad before? B: No, never. A. is in, been to B. has been to, gone C. went to, gone to D. has gone to, been