問題詳情:
―Have you known Dr. Jackson for a long time?
―Yes, since she________ the Chinese Society.
joined s joined ed
【回答】
D
解析該句完整的句式是:I have known Dr. Jackson since she joined the Chinese Society. since後跟的時間狀語從句要用一般過去時,表示自從過去某個時間發生的動作到現在以來有多長時間了。
知識點:一般過去時及其被動式
題型:選擇題