---I haven’t seen my grandparents for long. I’m too busy ___ them these days.---Why not call them instead?
--_______do you eat junk food?----Twice a week.
—You look sad. What has happened? --Everyone ____us ____the match, but we lost .
He can speak ____ Japanese .
May I ask you ____ questions?
-How long may I ______ your book? -For one week ,But you can’t____ it to others .