_______for the captain ,the ship would have sunk with all on board .A．

题型：不详难度：来源：

_______for the captain ,the ship would have sunk with all on board .

A． Hadn’t it been

B．Had it been not

C．Not had it been

D．Had it not been

答案

解析

这相当于if引起的条件状语从句的虚拟语气的句子，把Had提到前面，句子用倒装语序。

举一反三

A beam of light will not bend round corners unless______to do so with the help of a reflecting device .

A．having been made

B．being made

C．made

D．you make

题型：不详难度：| 查看答案

What would have happened ______,as far as the river bank ?

A．Bob had walked farther	B．If Bob should walk farther
C．Had Bob walked farther	D．If Bob walked farther

题型：不详难度：| 查看答案

John talked with me for about an hour yesterday. Never _______ him talk so much.

A．had I heard

B．did I hear

C．I had heard

D．I heard

题型：不详难度：| 查看答案

To tell the truth, I won’t go to the party_______.

A．so as to invite

B．even if invited

C．if inviting

D．if invite

题型：不详难度：| 查看答案

— Shall Mary come to the concert with us？
－Not_____she has finished her paper．

A．since

B．once

C．when

D．unless

题型：不详难度：| 查看答案