Visiting Premier Wen Jiabao said that differences
between China and the United States should not get in
the way of their friendship, which benefits world peace
and development..
Q:在下面的答案中那一个才是正确答案呢? The sun heats the earth,___is very
important to living things.
1.that、2.what、3.which、4.wher A:正确答案当然是“which”，因为这是一种非限性定语从句，主句中没有一个确定的先行词，从句所修饰的是概括整个主句的意思。这样定语从句只能用which引导。
