【2015·重庆】We must find out ____ Karl is coming, so we can book a room for him.
If you are able to talk to a friend over the telephone, you feel that you are close ______ the actual distance is not shortened.
, the worse I seem to feel.
There was ______ time when everything to do with ______nature could keep Anne spellbound.
Leave your key with your neighbor ________ you lock yourself out one day.
—Shall I invite Tom to my party? —Yes. It’ll be nice if you .