Question

【题目】I thought Peter would have helped you.________is a great pity that he should be so selfish.

A．Which

B．It

C．What

D．As

Answer 1

【答案】B

【解析】It's a great pity that...意为“很可惜……”，本句中It作形式主语，真正的主语是that引导的从句。句意为：我原以为彼得会帮你忙的。真遗憾，他竟然那么自私。