So little __ about physics that the lecture was completely beyond me.
A．I knew
B．did I know
C．I had known
D．had I known
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Karen: Hello. Could I speak to Justin, please？ Justin: ______.
A．Yes, you could.
B．Speaking.
C．Who are you？
D．Speak, please. -
A: I'm exhausted. I had to work until 2 o'clock this morning. B:______.
A．Don't worry too much. You can do it later.
B．Take it easy. You didn't have to work so hard.
C．Take time off and let it be.
D．Take it or leave it. You don't have to do it. -
In this passage, the author indicates that ______.
A．preachers are not so successful as businessmen
B．businessmen are not so successful as preachers
C．boys are advised to become preachers instead of businessmen
D．measurable success can also be achieved by preachers -
The machines in this workshop are not regulated__ but are jointly controlled by a central computer system.
A．inevitably
B．individually
C．irrespectively
D．irregularly -
We felt__ to death because we could make nothing of the lecturer's speech.
A．exposed
B．tired
C．exhausted
D．bored