—Have you found the problem with the computer ?
—Sorry. It ______ .
| A．is checked | B．is being checked | C．has checked | D．was being checked |
We should take different measures different conditions and different occasions.
| A．on , in | B．under, on |
| C．under, at | D．in, on |
There are trees and flowers along both sides of the road______ our school.
| A．arranging | B．clarifying |
| C．leading to | D．spinning |
We will be back .
| A．in no time | B．at one time |
| C．at a time | D．all the time |
Our city a new look.
| A．took up | B．took off |
| C．took in | D．took on |
You have made a mistake you’ve a letter “t”.
| A．left alone | B．left for |
| C．left out | D．left behind |