was known to all, John had broken his promise he would stay with us for some tim
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______ was known to all, John had broken his promise ______ he would stay with us for some time.
A.As; that
B.As; which
C.It; that
D.Which; that
试题答案
A
考查名词性从句及同位语从句。As正如，as was known to all众所周知；that引导同位语从句，解释说明名词promise，选A。