______ I could say a word, she had stormed out of the room.
A．When B．As C．While D．Before
One of the best ways for people to keep fit is to ______ healthy eating habits.
A．grow B．develop C．increase D．raise
I’m sorry to say you didn’t pass the exam-- ______, you won’t receive the diploma.
A．on the whole B．believe it or not C．in other words D．after all
—John, why are you so tired?
—I ______ pingpong with Jimmy.
A．play B．played C．have played D．have been playing
_______ I explained on the phone, your request will be considered at the next meeting.
A．When B．After C．As D．Since
Prices of daily goods ______ through a computer can be lower than store prices.
A．are bought B．bought C．been bought D．buying
