(2013·凉山一模)Life is like riding a bicycleyour balance, you must keep moving.A. KeepingB.

发布时间：2020-08-17 09:09:14

(2013·凉山一模)Life is like riding a bicycle.      your balance, you must keep moving.
A. Keeping
B. To keep
C. Keep
D. Being kept

网友回答

A. Keeping
(答案→)B. To keep
C. Keep
D. Being kept
解析：B　句意：生活就像在骑自行车。为了保持平衡，你必须不断前进。根据句意可知此处需用不定式作目的状语，故选B项。
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