Kangkang spent two hours ________ his bedroom last Sunday.A.clean B.cleaning C.to clean
–I feel a little nervous ____ the exam .--______. All of the students may feel nervous.
–We’ll be back for our school’s _____ anniversary ceremony(周年庆典). --I see. That means you’ll have a get-together with your classmates in ___ years.
--I can ___ believe my eyes. You are working so ____now. but I remember you didn’t use to. --People sure change. I have a dream of studying abroad, ____English-speaking countries.
–Why do you like climbing mountains? --Because they are there and climbing is _____thing I have ever done.
It is said the cost of medical care today is ten times as ____ as it was ten years ago.