I jumped ____ than Bill in the sports meet last year.

The specialist, ______ some of his assistants, ____ to attend our discussion.

who______it be that is knocking at the door? —It_______be Father, but I’m not sure.

In Britain，packets of cigarettes come with a government health warning ________them[ ]

．—It’s a long time since I saw my brother．—Why ________ him thisweekend