— Isn’t David an efficient manager?—Er, David is really great but sometimes he has problems ______his ideas.
—Could I have a word with you,mum? —Oh,dear,if you .
—How come you are late for school again,Bob? —.
—Which type of car do you like better? —.They are both expensive and high emission(高排量).
The 2010 World Cup will be held in South Africa,and no one canwhich country will be the champion.
It matters littlea teacher looks like butmatters much is how a teacher teaches his/her students.