It is only _______ your heart is really in it _______ you can play your best.
The boy fell off the bike and ___________ on the road.
They were all out _________ the missing child.
---Our English teacher often _____ us stories in class. --- Yes, he's so popular.
To their _______, they all passed the exam.
---Most hotels are very full today. --- Don't worry! I have ______ a room already in the Changjiang Hotel.