【题目】The starting point of our trip was Vancouver, _______ we rented a motor home and drove to any place at any time we liked.

【题目】When I went into the room, I saw my foreign teacher ____ some students with their oral English.

【题目】_______football is such a simple game to play is perhaps the basis of its popularity.

【题目】I'm never going to guess the answer if you don't give me a _______.

【题目】Charley Oakley, NBA star hash’t lost game in the past three years．

【题目】—Why didn’t you attend the meeting yesterday?

【题目】She has great pressure at work recently and that may ________ her abnormal behavior.

【题目】There have been widely differing ______ in the newspapers about the explosion of the chemical works.

【题目】He is said to be very rich, but I don’t understand why he is always _______.

【题目】We must take measures to prevent a possible ______ between the two sides.