[ Grammar ]
I did not know how long the poor old man _______ there and decided to after him a sandwich.
A. sat
B. had sat
C. was sitting
D. had been sitting
Select your answer:
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Other quiz:
Grammar › ViewA top US disease expert said this week that killer virus “Bird Flu” was the world’s number one health threat and should _____________.
A. Be took serious
B. Be took seriously
C. Be taken serious
D. Be taken seriously
Modal Auxiliaries › View
When Mr. Lee was younger, he ________ work in the garden for hours, but now he has to take frequent rests because he has emphysema.
A. has got to
B. can
C. should be able to
D. could
How to use : Read the question carefully, then select one of the answers button.