---John, why are you so upset?
---I my cell phone all morning but it is nowhere to be found.
| A．am looking for | B．have looked for |
| C．have been looking for | D．had looked for |
The National Stadium which looks very magnificent ____258,000 square metres in area.
| A．is measuring | B．is measured | C．measured | D．measures |
There was a hole in the door, through which I sight of Mr. Brown sitting in a chair.
| A．caught | B．made | C．took | D．got |
The sports meeting will be held on the playground this weekend, if weather______.
| A．permits | B．promises | C．agrees | D．allows |
—I’m afraid I have to give it up.
—Remember ______ sticks to his work will succeed one day.
| A．who | B．whom | C． whoever | D．no matter who |
Do you have any idea ______ on earth has happened to our friend?
| A．that | B．what | C．as | D．which |