单项选择题

If the whole framework of the thesis ______ beforehand, a great deal of time and energy would have been saved.

[A] was designed
[B] had been designed
[C] were designed
[D] has been designed
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单项选择题
Bit by bit, a child makes the necessary changes to make his language ______.
[A] as other people
[B] as other people's
[C] like other people
[D] like other people's
单项选择题
He managed to save ______ he could to tend the homeless boy.
[A] what little time
[B] so little time
[C] such little time
[D] how little time
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