Mar Levine, ____ scientist at University of Pennsylvania, US, has found that competitive eaters have stomachs that can expand like ____ balloon.
#9096
A
a; a
B
a; the
C
a; /
D
the; a
推荐题目
I think it is _____ waste of time to play games on ____ Internet all day long.
#10492
A
a ; a
B
the ; /
C
a ; the
D
the ; the
In _______ 1940s the computer was made to work as _______ useful machine.
#9320
A
the; an
B
the; a
C
/; a
D
/; an
______ Chinese international medical relief team was sent to the 7.0-magnitude quake-hit areas in ______Southwest China's Sichuan province the moment it happened.
#8528
A
A; the
B
The; the
C
A; /
D
The; /
I don’t know who invented __________ telescope, but I think it is __________ most useful invention.
#9523
A
the, the
B
the, a
C
a, the
D
a, a
Don’t worry too much about ______ mistakes. They are ______ natural part of learning.
#8636
A
/; a
B
the; /
C
/; the
D
the; the