Thank you for all your hard work last week.I don’t think we ______ it without you.
A．can manage B．could have managed
C．could managed D．can have managed
B
由語(yǔ)境可知這里要表達(dá)的意思是：如果沒(méi)有你們辛勤的工作，我們不可能處理好這件事。很顯然，這是對(duì)過(guò)去發(fā)生的事實(shí)的虛擬，所以要用could have done，故應(yīng)選B。
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