The teacher told the pupils that the United States of America _____ 50 states.
| A．was made of | B．made up | C．makes up | D．is made up of |
The taxi drew____outside the house.
| A．on | B．up | C．back | D．in |
The news about the flood surprised all______.
| A．the people present | B．the present people | C．the people who present | D．presented people |
_______empty wine bottles stood on the back porch.
| A．A kind of | B．A type of | C．A collection of | D．The number of |
_______environmental issues, the government will enforce existing regulations.
| A．Regards | B．As | C．For | D．As regards |
_______environmental issues, the government will enforce existing regulations.
| A．Regards | B．As | C．For | D．As regards |