Beijing is one of the _________________ in the world today .
| A．busiest city | B．busy cities | C．busy city | D．busiest cities |
His father in this factory since he here in 1980.
| A．has worked, comes | B．worked, came |
| C．worked, comes | D．has worked, came |
The supermarket provides customers _____ plastic bags for free.
| A．on | B．with |
| C．of | D．in |
We __________ our breakfast. We __________it at school at 6:30.
| A．have had; have had | B．have had, had |
| C．had, have had | D．had, had |
He’s read this book before, ?
| A．hasn’t he | B．doesn’t he |
| C．isn’t he | D．wasn’t he |
of the teacherswomen in our school.
| A．Two thirds ，is | B．second three ,is |
| C．Two thirds ,are | D．Second three, are |