We had to stay at home ______ it was raining hard.
— How do you study for a test? — I study _____working with a group.
—Would you like to drink some juice? --Thanks. But________. I have drunk a lot of tea.
—Where is your mother, Rita? --___________________.
—Li Na is the first Asian who won championship in French Tennis Open. --Yes, we ___________ her.
—MaYun is a_________ businessman. He can always deal with many problems______ .