If you are going to stay in the United States for longer than a(n) ______ visit, you may be interested in learning more about its people and culture.
--Have you ever been here before? ---Well, I once _________ here for four years. Those days are really unforgettable.
The reason _______ he gave at the conference last week for his being carelessness was funny.
That day they ________ there on foot, but they took a taxi. The place was only 50 meters away from the railway station.
________celebration of the 60th anniversary of the founding of the People’s Republic of China was ________complete success.
第一节单项选择(共15小题;每小题1分,满分15分) 请认真阅读下面各题,从题中所给的A、B、C、D、四个选项中,选出最佳选项,并在答题卡上将该项涂黑。 例: It is generally considered unwise to give a child ________ he or she wants. A. however B. whatever C. whichever D. whenever