Ireceivedhismother'stelephonecallateleven.Onlythen     ...

問題詳情：

I received his mother's telephone call at then      that he was badly hurt in an accident yesterday.

A.I had known                        B.I knew                           I know                    known I

【回答】

C

知識點：倒裝與省略

題型：選擇題