Theoutlineofrooftopsandchimneys________againstthepalesky.
D
A 离开 B 注意、留神 C 提供 D 显眼、突出
Since we have a focused subject ，we should not talk ________.
When_______,waterwillbeturnedintosteam.
When _______, water will be turned into steam.
_______,couldyougetmeaTurkishconversationbook?
Peoplewhocan’t_______betweencolorsaresaidtobecolor-blind.
