问题
He kept on _______ the mountains all by _______ for three days.
A:work on
B:try on
C:pass on
D:depend on;
B:try on
C:pass on
D:depend on;
正确答案是：
同类题型
He is no longer a child，and let him learn to________the problem himself.[ ]
The little boy pretended when his mother came in .
Happiness and success often come to those ________ aregood at recognizing their own strengths
Linda, _______ you good at geography–Yes. Geography is my favorite subject.
The English spoken in the United States in only slightly different from ______ spoken in England.