A greenhouse is a building _______ of glass _______ for keeping plants warm when the outside temperature is low..
#78521
A
made, which is used
B
which is made, is used
C
made, being used
D
is made, used
推荐题目
The ancient village, ______ they visited during a recent trip, is the only tourist attraction ______ is well protected without any damage.
#77477
A
which, which
B
which, that
C
where, that
D
that, which
Every year, typhoons and losses ______ lead to are frightening though measures have been taken.
#75914
A
which
B
that
C
they
D
ones
Wind power is an ancient source of energy ____we may return in the near future.
#76980
A
on which
B
by which
C
to which
D
from which
—Where are you going during the summer vacation?—I’ve found a nice beach ________ I can enjoy swimming.
#77300
A
that
B
when
C
where
D
which
The school has developed an online system________ students can choose their own teachers.
#76357
A
which
B
when
C
that
D
where