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题目内容
（郑州工程技术学院-大学英语1）
They ______ thankful to have the opportunity to further their studies.
(A)：would like to be
(B)：ought to be
(C)：would rather be
(D)：had better be
(A)：would like to be
(B)：ought to be
(C)：would rather be
(D)：had better be
参考答案
