Michael often has _____ rice and fish _____ lunch at school.
By the end of the last month, I _____________ all the CDs of Justin Bieber.
You _________lose your way if you walk alone in the mountains at night. A. may B need C. should D. ought to
We didn’t start our discussion __________ everybody arrived.
Take the exam carefully, _______ you won’t get full marks.
We hope that with the help of the new skill, Liu Xiang can run ________than before.