On account of fuel supplies being finite and many people being wasteful, we will have to install ________ solar heating device in our home.
#12909
A
some type of a
B
some types of a
C
some type of
D
some types of
推荐题目
--- Only one of these books is worth _______.--- _______ is no wonder that you look so upset.
#13798
A
to read; That
B
of reading; This
C
being read; There
D
reading; It
This field of scientific research remains________.
#12596
A
to be untouching
B
being touched
C
to be untouched
D
untouched
Tom, behave yourself! If you keep on doing that, you'll ____ in serious trouble.
#12328
A
shut up
B
end up
C
take up
D
pick up
The manager was absent because of illness； ______，the meeting was put off until tomorrow.
#12243
A
as a result
B
what's worse
C
in other words
D
by the way
—When are you leaving for Guangdong?—My plane ________ at six.
#12429
A
took off
B
would take off
C
will take off
D
takes off