Jack, when shall we go to visit Mr. Smith? – It’s up to him. We’ll go to see him whenever _______.

I was at the cinema at 9 o’clock last night. What about you? — I _____ at home.

Whenyour motheryou that computer?—Oh, I have forgotten.

.Do you know ______ to deal with the problem? Could you tell me?

How many women teachers are there in your school?－_____ of the teachers _____ women