Great changes ______ in our hometown in the past ten years. A. have taken place B. have been taken place C. were taken place
—Does your father still smoke? —No, he has succeeded in _____smoking for three years.
—Where are Jane and her parents? —They _____ Japan.
-----I am going to have a test next week. -----__________!
There were _________ doctors, so Dr Norman Bethune had to work on his own.
My little brother caught a cold, ________ he didn’t wear warm clothes yesterday.