—Jack is not in the office at the moment
—Oh, he ______ those who are going to take the driving test in an hour.
| A．can have instructed | B．must have instructed |
| C．must be instructing | D．will be instructing |
Three days after Mrs White’s _______ necklace was found, she was _____ it.
| A．lost; robbed | B．Missed; robbed of |
| C．lost; robbed of | D．missing; robbed |
He will stop showing off, if no notice _________of him.
| A．is taken | B．will be taken | C．takes | D．has taken |
– Can we get the computer before Wednesday?
– _____. If it is 30 kilometers, we can make it, but if farther away, it will be on Thursday.
| A．I don't know for sure | B．Well, that all depends |
| C．It's up to you, sir | D．There's no need to rush |
Li Ming is said ______ the experiment in the lab, but I can’t find him there.
| A．to have done | B．to do | C．to be doing | D．doing |
They live in a beautiful village, with many trees and flowers _______ it.
| A．surrounded | B．surrounds | C．surrounding | D．to surround |