Thoughtheyareverybusyeveryday,

Though they are very busy every day, they manage to get tighter_______.

A．by and by

B．now and then

C． all the time

D．more or less

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____ we want to know is whether we must finish the work ____ you assigned last week.

A．What; that

B．What; what

C．That; what

D．That; where

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–Sorry, but I ____ that it should be turned in today.

A．didn’t know	B．hadn’t known
C．haven’t known	D．don’t know

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A．both of them are	B．none of them are
C．both of whom are	D．neither of who is

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A．a boy so lovely	B．a such lovely boy
C．so a lovely boy	D．such a lovely boy

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I was really anxious about you. You____ home without a word.

A．mustn’t leave	B．shouldn’t have left
C．couldn’t have left	D．needn’t leave

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