only after he has acquired considerable facility in speaking __A:then he learns reading and writingB:does he learn to read and writeC:finally comes reading and writingD:he began to read and write 求详解拉
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only after he has acquired considerable facility in speaking __A:then he learns reading and writingB:does he learn to read and writeC:finally comes reading and writingD:he began to read and write 求详解拉
only after he has acquired considerable facility in speaking __
A:then he learns reading and writing
B:does he learn to read and write
C:finally comes reading and writing
D:he began to read and write
求详解拉
only after he has acquired considerable facility in speaking __A:then he learns reading and writingB:does he learn to read and writeC:finally comes reading and writingD:he began to read and write 求详解拉
选B.句首Only引导的状语从句,紧跟Only的那半句,即状语部分无需倒装,而主句则需要倒装,已知主句里谓语动词为实义动词,且主语为第三人称,则借助助动词do变形does提前,而谓语动词为原形.
B
首先，only 引导的从句放句首了，后面的主句要用半倒装，排除掉A D
因为 C 作为主句缺少主语，故排除。