问题

Mr. Brown’s condition looks very serious and it is doubtful if he will ________.

A:pull back
B:pull up
C:pull through
D:pull out;

正确答案是：

同类题型

It’s great that all the visitors who _______ onthe island were saved

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It was natural that he _____ the days before going home.[ ]

______your telephone number— It’s 372-456.