Americans are nervous ____________ the prospect of a nuclear-armed Iran, but also worry
__________ the ability of the United States and the United Nations to deal with the situation.
A.about; about
B.to; about
C.for; about
D.for; for
答案:A
Americans are nervous ____________ the prospect of a nuclear-armed Iran, but also worry
__________ the ability of the United States and the United Nations to deal with the situation.
A.about; about
B.to; about
C.for; about
D.for; for
答案:A