—Now that you like the portable personal computer so much?why not buy one?—Well?I can’t afford _____ computer at present.A.that expensive a B.a such cheap C.that an expensive D.so a cheap【注意】答案选A

—Now that you like the portable personal computer so much?why not buy one?
—Well?I can’t afford _____ computer at present.
A.that expensive a B.a such cheap
C.that an expensive D.so a cheap
【注意】答案选A

在这里,that就相当于so,意思是如此的.
答案的意思是 我目前还不能支付如此贵的一个电脑.
so +形容词+冠词+名词,常用句型

这里的that就相当于so，是一种习惯用法。