Tom can play ________ piano,but he can’t play ________ chess.
—I don’t have a partner to practice English________. —Why not join an English language club to practice________?
I will visit you tomorrow________I’m too busy. A.unless B.if C.because
You’ll find________easy to learn it well.
—________do you learn English? —By________vocabulary lists.
—I can’t fall asleep. —You get up and do something________lying in bed.