In that school, English is compulsory for all students, but French and Russia are ____ .
The computer system _____suddenly while Paul was searching for information on the Internet.
___ Mr. Smith is waiting to see you. He appears to be quite____ important person.
I will go to Beijing on business tomorrow, do you have anything ____ to your son studying in Peking University?
--- Could you please tell me the answer to this question? --- ______ It is not my style to help people cheat.
______ in the repair shop, he drove his brother's instead.