问题

is no doubt that _________ a goal, one needs not only knowledge but also good personalities.

A:achieve
B:achieving
C:to achieve
D:achieved;

正确答案是：

同类题型

I always forget some news . I am very upset. and don’ t know _______ .

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ome your father can read books inGerman— Well, he____on a project with someGerman engineers for 3 years when he was young