I often think of the days _____ I stayed with the experts, _____ has a great effect on my job.
| A． when , which | B． when, who | C． that, which | D． which, that |
A modern university has been set up in ______ used to be.
| A．which | B．that | C．what | D．where |
Can you imagine that a smart man like him_____ make such a stupid mistake?
| A．might | B．should | C．would | D．need |
--- Who told you my address ? --- I don’t remember clearly. It _____ Li Mei.
---It _____ Li Mei. She doesn’t know it.
| A．can be; mustn’t be | B．may have been;must have been |
| C．may have been; can’t be | D．must have been ; can’t have been |
.---This _____ John's house .It's number 101.
--- I don't think so.He said a large white house but this is a small yellow one.
| A．can't be | B．must be | C．may not be | D．should be |
As is natural , a man as old as he ______ be very forgetful.
| A．can | B．should | C．would | D．must |