Zhai Xiangjun
... that when Zhai Xiangjun's teaching career was interrupted by dental surgery, he began writing English textbooks, two of which have since been adopted by most Chinese universities?
... that when <b id="mwxw"><a href="./Zhai_Xiangjun" id="mwyA" rel="mw:WikiLink" title="Zhai Xiangjun">Zhai Xiangjun</a></b><span about="#mwt24" class="nowrap" data-mw='{"parts":[{"template":{"target":{"wt":"`s","href":"./Template:`s"},"params":{},"i":0}}]}' id="mwyQ" typeof="mw:Transclusion"><span typeof="mw:Entity">'</span>s</span> teaching career was interrupted by dental surgery, he began writing English textbooks, two of which have since been adopted by most Chinese universities?