Question

— I’ll call your parents if your homework ________ before four o'clock today.       
— Sorry, Mr. Li. I’m doing it right now.

A．isn’t done

B．won’t be done

C．doesn’t do

D．won’t do

Answer 1

A

試題分析：句意：如果你的作業(yè)在今天四點(diǎn)前沒有完，我會(huì)給你的家長(zhǎng)打電話。對(duì)不起，李老師，我馬上就做。if引導(dǎo)條件狀語從句的時(shí)候，主句如為一般將來時(shí)，從句用一般現(xiàn)在時(shí)，homework做主語，應(yīng)為被動(dòng)語態(tài)，故選A.