Nanyang has changed a lot in the past five years. —Yes. You can see lots of new buildings ,flowers and trees on ___side of the street.

______ books are there on Mary’s desk? -There are five. [ ]

________ will your father come back home? —In two weeks.[ ]

How often do you exercise? — ever. Because I am very busy with my work.

Most Chinese children like to sleep with their mother. They are ＿＿ the dark.