—Jack is very clever and he studies hard as well.—It’s no he always comes out first in th

问题补充：

—Jack is very clever and he studies hard as well.

—It’s no he always comes out first in the exams.

A. doubt

B. need

C. wonder

D. problem

答案：

A. doubt

B. need

(答案→)C. wonder

D. problem

解析：考查名词和句型：A. doubt怀疑，B. need需要，C. wonder奇迹，D. problem问题，(It’s) No wonder...难怪，不足为奇。句意为：--杰克很聪明，学习也很努力。--难怪他在考试中总名列前茅。答案是C。