单选题：It was only by a great effort of will and courage that he w

题目内容：

It was only by a great effort of will and courage that he was able to__________ himself together. A．Pull
B．put
C．drag
D．push

参考答案：

答案解析：

After__________ the numbers in every possible combination,

After__________ the numbers in every possible combination, we finally hit on a

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