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I'm trying finding a place where children can play in ________. Could you give me some advice?
1年前
Things change so quickly! I'm now in hospital recovering from _______ ______ (肝衰竭).
1年前
-Could I use your bike? -Yes,surely you__________.
1年前
青少年要注意正确用眼,预防近视,近视眼看远处的物体相当吃力,它将物体的像成在视网膜的______.这种眼睛需要佩戴一个合适的______透镜来矫正,该镜片对光线有______作用.
1年前
1年前