【单选题】
Not only are cars involved in most of the traffic accidents, but they also __________to the pollution of the air. .
【单选题】
By nine o’clock I ____ that my guests were not coming.?
【单选题】
She asked me ?[填空]he was coming the next day.
【单选题】
The coming of the railways in the 1830s ____ our society and economy.
【单选题】
What role does a teacher play in the following activity? The teacher writes one of five numbers (1-5) on a number of cards (the same number as the students). Each student draws one card. Those who have drawn number 1 will form group1, and those who have drawn number 2 will form group 2. Thus the students are put into five groups in a random way.
【单选题】
Every package shall be marked “CCD” ___diamond and the package number.
【单选题】
When a program has a small number of people_________ it, it is discontinued.
【单选题】
Between 1974 and 1997, the number of overseas vistors expanded_______27%.
【单选题】
With the help of the government , a large number of people ---_______ after the flood in 1991.
【单选题】
700,000 new cars[填空] in India in the last twelve months.