People _________ rivers for transportation since the beginning of history.
#36687
A
used
B
have used
C
use
D
had used
推荐题目
Mr. White came to our school in 2008, and since then he ______ us English.
#42358
A
teaches
B
taught
C
has taught
D
will teach
They say this kind of fruit good and well.
#41661
A
tastes; is sold
B
is tasted; sells
C
tastes; sells
D
is tasted; is sold
Not only his parents but also his brother to the Summer Palace. They haven’t been back.
#41984
A
have been
B
have gone
C
has been
D
has gone