________ the girls in our class ________ over twenty.
| A．A number of, are | B．The number of, are |
| C．A number of, is | D．The number of, is |
The old man is my grandfather.
| A．eighty-years-old; like |
| B．eighty-year-old; likes |
| C．eighty-year-old; like |
| D．eighty years old; likes |
It him one hour his homework.
| A．takes; to do | B．take; to do |
| C．take; do | D．takes; do |
There are five students in our school.
| A．hundreds | B．hundred |
| C．hundred of | D．hundreds of |
Mary often gets to school .
| A．ride her bike | B．by the bike |
| C．by a bike | D．on her bike |
My mother wants to find a new . She doesn’t like to here.
| A．work; work | B．work; job |
| C．job; work | D．job; job |