isnecessarythatyoustarttrainingafewmonthsbeforet...
問題詳情: isnecessarythatyoustarttrainingafewmonthsbeforethewalk. A.This B.That C.What D.It【回答】D 考查it的用法。it可用作形式主語,構成固定句...
問題詳情: isnecessarythatyoustarttrainingafewmonthsbeforethewalk. A.This B.That C.What D.It【回答】D 考查it的用法。it可用作形式主語,構成固定句...