单项选择题
The birth rate in a city （）to fall as its gross domestic product (GDP) rises steadily.
A. estimates B. anticipates C. assumes D. tends
单项选择题 The doctor suggests that a person （） exercises every day if he wishes to be healthy.
单项选择题 （）today, he would get there by Friday.
单项选择题 We （） last night, but we went to the cinema instead
