-- Hello, may I speak to Mr. Smith?-- Sorry, he isn't in. He ______the office.A. has been toB. has gone toC. has been away
--What day is it today?
How much time did you spend the new words in Unit 10?
Since June 1 2008,all the markets have_________free plastic bags.
---Have you seen Dr. Adams recently? ---No. He __________ Hong Kong for an important meeting. He’ll come back tomorrow.
-- Has your sister come back? --Yes, she has. She______ back two days ago.