填空题

It is important that he (be) ______ called back immediately.

【参考答案】

(should) be
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填空题
According to the passage, who was John D. RockfellerHe was a ______ , gave away millions.
单项选择题
A．They have new equipment.B．New equipment have been installed long ago.C．New equipment should have been installed long ago.D．There is no need for the factory to install new equipment.
A．They have new equipment.
B．New equipment have been installed long ago.
C．New equipment should have been installed long ago.
D．There is no need for the factory to install new equipment.
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