公共英语一级
A.close
B.closed
C.to close
【知识扩展】keep表示 “保持”的常见用法:(1)用作连系动词,其后可接形容词或介词短语等作表语。如:She knew she must keep calm.她知道她必须保持冷静。(2)用作实义动词,其后可接动名词作宾语,但不能接不定式。如:Prices keep risin9.物价不断上涨。
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A.whole
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