The scientists believe ( )they have devoten themselves to ( )sure to come true.
a.that all ,are b.what,is
选项是b.what=the thing which/that
如果我的回答对你有所帮助,请点击本页面中的“选为满意回答”按钮,
The scientists believe ( )they have devoten themselves to ( )sure to come true.
a.that all ,are b.what,is
选项是b.what=the thing which/that
如果我的回答对你有所帮助,请点击本页面中的“选为满意回答”按钮,