We live day by day，but in the great things the time of days and weeks ____ so small that a day is unimportant.

When ____ to compare the education system of China and Britain, the professor gave no answer．

___of 40,000 peryear

Must we finish the work all day —________. You can do it tomorrow.

Excuse me. Could you tell me ______—There is a bank on the second floor.