He promised he would visit me and he would try his best to help me. [ ] A．/; /B．
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![He promised he would visit me and he would try his best to help me. [ ] A．/; /B．](/pic/43_988942.jpg)
He promised ________ he would visit me and ________ he would try his best to help me.
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A．/; /B．that; /C．/;thatD．if; that试题答案
答案：C
解析：