I (keep) ______ up correspondence with him since he went abroad.
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羚羊角入汤剂应
A. 先煎
B. 包煎
C. 不宜久煎
D. 另煎
(Judge) ______ from this fact, he must be an honest man.
The meeting is (take) ______ place on Sunday.
投资者购买股票最主要的目的是获得资产的保值,免受通货膨胀风险。( )
A. 对
B. 错