
[ Grammar ]
Kevin has been studying ______ over an hour.
A. since
B. for
Select your answer:

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Other quiz:
Definitions, Synonyms › Viewtiny
A. Very soft
B. Very happy
C. Very thick
D. Very small
Grammar › View
Shirley can ______ very well.
A. sing
B. sings
C. sang
D. singing
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