--- Who ______ it be that is singing in the next room?
--- It _______ be Lucy, but I am not sure.
| A．can ; may | B．may ; can | C．can; must | D．must; may |
We didn’t know you were in trouble at that time, _____ we would have lent you the money.
| A．and | B．but | C．therefore | D．or |
I’ve finished much of the work. Could you please finish ______ in two days?
| A．the rest | B．the other | C．another | D．the others |
There was a terrible noise _____ the sudden burst of light.
| A．followed | B．following | C．to be followed | D．being followed |
Do you consider _____ any good doing many scientific experiments?
| A．there | B．this | C．it | D．one |
When he failed to beat John, he felt he had _____ his friends.
| A．lost face | B．lost face with | C．saved face | D．pulled a face |