题目内容
Babies sleep l6 to l8 hours in every 24 hours, and they sleep less ________ they grow older.
A. while B. as C. when D. after
B
解析:
B. 表示主、从句的谓语动词同时变化的“随着…”只能用as
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Babies sleep l6 to l8 hours in every 24 hours, and they sleep less ________ they grow older.
A.while |
B.as |
C.when |
D.after |