－Surely you can turn to David for help.
－_______ He is the last one you can rely on.
| A．Get out of it! | B．Is that right? | C．I couldn’t agree more. | D．It’s up to you. |
– 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 |
– Is John coming by train?
– He should, but he _______ not. He likes driving his car.
| A．must | B．can | C．need | D．may |
– I rang you at about ten o’clock, but there was no reply.
– Oh, that was probably ________ I was seeing the doctor.
| A．when | B．why | C．what | D．that |