Can you guess if they ________ to play basketball with us ? I think they’ll come if they _______ free .
—We’ll have ________ holiday next month. Will you go home? —No. If I go home, I’ll have to take________ ride.
It’s _____ hard problem for the twins that ____ of them can work it out.
You ______ to the party if you’re so busy.
—_____I use your dictionary, Tom? —Of course, you _______
Simon improved his way of study. ________, he has made great progress.