19．-Lucy is not coming tonight．
-But she _____!（　　）
A．promisedB．will promiseC．had promisedD．promises

分析 --露西今晚不會來了．
--但是她答應了．

解答 答案：A，根據(jù)語境可知是過去露西答應了，因此時態(tài)使用一般過去時即可，表示過去發(fā)生的動作，故答案為A．B表示的是一般將來時，C表示的是過去完成時，D表示的是一般現(xiàn)在時，均不符合題意．

點評 時態(tài)的使用，應聯(lián)系前后句子的語境，對答案進行確定．

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