— It's dangerous to swim in this river.
—Yes, you are right. The government has ___ people not to swim in it.
A. trained B. warned C. make D. encouraged
There are ___ floors in the building and my home is on the ____ floor.
A. twenty; fifteenth B. twenty; fifteen
C. twentieth; fifteen D. twentieth; fifteenth
— I am like a cat on hot bricks. There are so many problems that I don't know____ to deal with them.
— Calm down first. Let's see what I can do for you.
A. what B. Why C. who D. how
— Your mother plays tennis very often, doesn't she?
— Well, she doesn't like it now. But she _____________.
A. wanted to B. would like to
C. used to D. hoped to
— is the population of your city?
—There are about four .
A. What; million B. What; millions
C. How many; million D. How many; millions
—What the number of the students in your class ?
—About 60 . A number of them girls .
A.is ; is B. are ;are
C. is ; are D. are ; is
