The water in this river is harmful because It’s a ______ river.
A．pollution B．polluted
C．has polluted D．pollutes
There _______ a mother ,a father and three children in the family.
A．be B．have C．are D．is
too much candy is bad your teeth .
A. Eat ; to B. Eating ; to C. Eating ; for
Please call Mary _______ 354—6403.
A．in B．at C．to D．of
At night, we can see colorful lights on both ______ of the streets.
A. sides B. side C. side’s
— Her uncle ___ to New York now, he ___ there twice. He’ll be back tomorrow.
A．has gone, has been B．has been, has been
C．has gone, has gone D．has been, has gone
