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【单选题】
In what condition could the shop assistant exchange the product for the customer?A.
The customer makes no more complaints.
B.
The customer can show her receipt.
C.
The customer is still unhappy with it.
D.
The customer brings it back within a week.
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举一反三
【单选题】I watched the man for a long time and wanted to know .
A.
whether I have seen him before
B.
where I had seen him before
C.
that I had seen him before
D.
when did I see him
【单选题】I had not seen him for years,but I_________ his voice on the phone.
A.
realized
B.
heard
C.
discovered
D.
recognized
【单选题】I kept looking at the man, wondering _______.
A.
whether I have seen him before
B.
whether I had seen him before
C.
that I had seen him before
D.
when I saw him before
【单选题】It was no use______ that I had not seen him, so I waved to him.
A.
to pretend
B.
pretending
C.
pretended
D.
being pretend
【单选题】_________I had seen him yesterday at the airport! [ ]
A.
If
B.
If only
C.
Only if
D.
Since
【单选题】I would have seen him off, had it been possible but I ______ so busy then.
A.
had been
B.
were
C.
was
D.
would be
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