－This is auseful dictionary, I think.－So it is, andit’s ______ unusual one.

____ jacket is this—I think it’s Mingming’s.

If you keep practicing your son in football, he ____ to be a famous player. [ ]

I don’t know if ______ tomorrow. If it ______， I will stay at home and watch TV.

The old men can hardly imagine that they can live in an age _______ most of the daily things are done on the computers.