The World War II made_________ impossible for Einstein to go on with his research.
#15227
A
him
B
it
C
this
D
that
推荐题目
The earth travels round the earth once every moth; ____ is known to everybody.
#16186
A
as
B
it
C
which
D
this
I will spend half of my holiday practicing English and _____________ half learning drawing．
#14625
A
another
B
the other
C
other’s
D
other
We ________for cheap houses but haven’t found ________we like yet.
#14699
A
are looking；one
B
have looked；it
C
have been looking；one
D
looked；them