Big companies usually have a lot of branch offices in different parts of the wor
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Big companies usually have a lot of branch offices ________ in different parts of the world.
[]A.to have operated
B.be operated
C.operating
D.having operated
试题答案
答案:C
解析:考查非谓语动词的用法。此处解题关键:have…doing sth。 |