I don't know what I should do with the letter．(改为简单句)
I don't know ________ with the letter．
I am busy．I have ________ work to do．
[ ]
A．
too much
B．
much too
C．
too many
D．
many too
We would like ________ on a school trip next Sunday afternoon．
[ ]
A．
go
B．
goes
C．
to go
D．
going
From Monday to Friday, most people are busy working or studying．But in the evenings and weekends, they are free．Some watch TV or go to the cinema, others do sports．There are many different ways to spend our free time．For example, some collect(收集)stamps, some make model planes．Some hobbies are expensive(昂贵的)，others don't cost anything．Some collections are worth(值)a lot of money, others are valuable(有价值的)only to their owners．
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my dog 
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