—Who______ it be that is knocking at the door? —It ______ be Father, but I’m not sure.
The boy spent as much time playing video games as he ____ studying.
Have you got any explanation to the question ___ he came here for last weekend?
I’ve spare ___ juice for you, and your half ____ in the refrigerator.
Of the three statements he has suggested __ the heating problem, I think the last one is the best.
It was very kind of you to do the washing-up but you _____ it