单选题
They ______ such a big van ______ the price of gas would skyrocket.
A、
would have bought; if they knew
B、
wouldn"t have bought; had they known
C、
wouldn"t have bought; if had they know
D、
wouldn"t have bought; did they know
【正确答案】
B
【答案解析】
[解析] 此句是if条件句的虚拟语气用法,当从句中含有had,should和were的情况下,可将其提到句首,if省略掉。句意:要是当时他们知道油价会暴涨的话,就不会买这么大一辆货车了。
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