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4．No matter what difficulty you will meet with, __________ your plan. 5．The theory ___________ a series of wrong assumptions. 第20讲 │ 跟踪训练 carry out is based on Ⅲ.单项填空 1．—How can I apply for an online course? —Just fill out this form and we ________ what we can do for you. A．see B．are seeing C．have seen D．will see [解析] D 此处为“祈使句＋并列连词＋陈述句”结构，在and之后的句子常用一般将来时态。 第20讲 │ 跟踪训练 2．AIDS is said ________ the biggest health challenge to both men and women in that area over the past few years. A．that it is B．to be C．that it has been D．to have been [解析] D 考查固定短语。sth. is said to be据说……，由明确的时间状语over the past few years可知，要用完成时态。 第20讲 │ 跟踪训练 3．I' m over eighteen; ________ I am an adult now. A．what's more B．in other words C．otherwise D．besides [解析] B 考查单词以及词组辨析。what's more更有甚者；in other words换句话说；otherwise否则，要不然；besides此外，另外。 第20讲 │ 跟踪训练 | 
