A．goB．wentC．doD．did
A. go
B. went
C. do
D. did
Why does the woman compare human memory to a hard disc drive？
A. Because both can be wiped out by accidents.
Because both can be trained to work better.
C. Because both can be expanded.
It is sometimes a source of surprise to the writer ______.
A. to find herself driving through back streets
B. that she has been in the city for so long
C. to realize how much she has got used to living in London
D. that she lives in the city when she prefers the country
【B13】
And
But
C. when
D. While
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