HaveyouknownDrJacksonforalongt

--- Have you known Dr Jackson for a long time?
--- Yes, since she the Chinese Society.

A．has joined

B．joins

C．had joined

D．joined

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I wish I ____ you yesterday.

A．seen

B．did see

C．had seen

D．were to see

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— I think I’m going to die.
—____, Joe. You only have a cold.

A．Don’t mention it

B．Take it easy

C．It’s hard to say

D．Take care

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_____ the right kind of training, these teenager soccer players may one day grow the international stars.

A．Giving

B．Being given

C．To give

D．Given

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--- Can I help you, sir?
---Yes, please. Do you have any books on cooking?
---There are only a few，______.

A．if any

B．if have

C．if ever

D．if do

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Charles Babbage is generally considered ______ the first computer.

A．to invent

B．inventing

C．to have invented

D．having invented

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