—Liu Qian is good at doing the tricks with the cards.—Yes, but if you watch carefully, you can see _______he does them.
The man over there ________ our Chinese teacher.
He was _____ tired ____ he could not move.
If you _______, you _________ some bread.
Jim______ to see his grandpa if he _______ free next week.
Be quick, ______ you’ll be late for the football match.