Whycouldn’tyou________ananswerwhenIaskedyouwhyyouwerelate?
A、comeuponC
come up with 意为“提出，拿出”，在句子中表示“你为什么拿不出你迟到的原因”。
Which of the folloing is NOT included in the fabled Five Mountains in China?
Which of the following is not mentioned as WTO's objective?
Why couldn ’t you ________ an answer when I asked you why you were late?
Scientists doubt wheth er it ’s ________ to regulate one ’s biological clock by drinking.
______ is recognized as the national flag-carrier.
