单选题 A fire ______ at the two-family home on Harvard Street in Quincy early Sunday morning.

单选题 For both sides' ______, the contract placed clear obligations on this cooperation.

单选题 ______ by the government, these children who are caught up in the war were suffering.

单选题 Millions of people would die ______ hunger and epidemic as indirect results of war.

单选题 I did not see your cell phone and shoes, so I ______ that you had left already.

单选题 To grow the business, he needs to develop management ______ and innovation across his team.

单选题 It is absolutely ______ that we deal with this emergency by tomorrow.

单选题 Complete and clear financial accounts are ______ to the success of any enterprise.

单选题 If this round of talk fails, the world's trading environment is likely to become increasingly ______.