问题

Gun control is a subject _________ Americans have argued for a long time.

A:of which
B:with which
C:about which
D:into which

正确答案是：

同类题型

orld economic crisis_________, peopleappeal to the government for more unemployment benefits

－ What a great success the exhibition was last night !－_______ , especially it ______ those who have a preference for the beauty of nature .

Who’s that man riding along the street. Is it Tom-It ______ be Tom. I saw him in the library just now.

He has the Yellow Mountain twice. This time he there for two weeks and enjoy the beautiful views.

We’ll never give up working on the experiment (实验), ______ difficult it is.