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1、David hasn't come yet.I think he will ———soon.

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1、David hasn't come yet.I think he will ———soon.
A、turn on B、turn off C、turn down D、turn up
改错:
2、Over time computers have changed quite a lot.
3、I could “think”logical and produce an answer quicker than any person.
1.D
翻译:大卫还没有来.我认为他会很快露面/出现的.
turn on意思是“打开”;turn off是“关掉”;turn down是“调低音量;拒绝”;而turn up意思是“调大音量;出现/露面”.
2.have changed改成have been changing
句意为“随着时间的的推移,电脑已经改变了很多”.
因为电脑现在还在改变中,所以此句用现在完成进行时是最好的.
3.logical改成logically
因为它修饰动词think,所以用其副词形式.
而logical是形容词,一般修饰名词.