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
 This English book __________ five parts, __________ grammar.
#12225
A
includes; including
B
contains; including
C
includes; containing
D
contains; containing
The doctor told me to take the medicine_____.
#12998
A
every fourth hours
B
each fourth hour
C
each four hours
D
every four hours
As we all know, health food usually doesn’t ____ too much fat.
#12595
A
include
B
involve
C
contain
D
consist of