I was about to leave the office ______ an unexpected visitor came.A. while B. as C when D. before
—— What are you going to do this weekend? —— Weather , I’ll go hiking with my family.
By the time Fred gets back home, his girlfriend for London to study.
—— May I see you at 4 o’clock this afternoon? —— I’m afraid not, I a charity meeting then.
How to control housing price is said to a great challenge facing the government over the past few years.
Dad, I think a house where we’ve been living for ages needs .