The astronaut did many experiments in the spaceship, great help for knowing more about space.
#70039
A
which we think it is
B
which we think is of
C
of which we think is
D
we think which is of
推荐题目
At the party, John made up a joke, people burst out laughing.
#69282
A
on which
B
by which
C
at which
D
from which
John returned with two workers, with_______ help we finally got the car out of the mud.
#67250
A
whose
B
their
C
which
D
that
The part in the film Rio _______ the two birds escaped from the crashing plane made some of the audience give a cry.
#69034
A
which
B
who
C
where
D
whom
When we start gazing into the night sky with a telescope, soon we’ll be astonished by the realization _______ we and our world are part of this giant system.
#69052
A
which
B
whether
C
that
D
as
. The book, _______ is blue, is mine.
#70196
A
the cover of which
B
whose cover
C
of which the cover
D
all the above