问题补充:
They are good friends. is no wonder that they know each other so well.
A. This
B. That
C. There
D. It
答案:
A. This
B. That
C. There
(答案→)D. It
解析:it’s no wonder that…意为“难怪……”、“……不足为怪”,为英语固定表达,其中的 it’s 也可省略,即只说 No wonder that…。如:
No wonder (that) he didn’t want to go. 难怪他不想去。