2019年mba考试英语模拟题——连词981

{01}_____ he had not been ill , Tom would have won the race.         A.Unless B.As C.If D.Until 解析：      题意：如果汤姆没有生病，他就会赢得那场赛跑。if引导虚拟的条件状语从句。
本题选C。
{02}__ many times, but she still didn"t know how to do it. A.She was taught B.Having taught C.Having been taught D.She has taught 解析：因为有but连接所以前后两个必须是完整的句子。
本题选A。
{03}As we have planned, we’ll go to Beijing to attend her sister"s wedding party. We"ll also visit our mother school _____ we go there.   A.unless B.when C.once D.even if 解析：B选项既符合句意又能体现语境.
本题选B。