_______isknowntousallisthattherehavebeenfivecasesofA(H1...
來源:國語幫 1.8W
問題詳情:
_______ is known to us all is that there have been five cases of A(H1NI) influenza on the mainland, two of whom have been cured.
A.It B.As C.That D.What
【回答】
D知識點:主語從句
題型:選擇題