Our new machines are much cheaper to run.
#17719
A
effective
B
efficient
C
energetic
D
enthusiastic
推荐题目
His father was really a ______ person. Once he made up his mind, nothing could change it.
#18846
A
clever
B
stubborn
C
brave
D
familiar
Which of the following is a Chinese festival?
#34929
A
Christmas
B
Halloween
C
Mid-Autumn Festival
D
Thanksgiving Day
--- What a beautiful day!--- Yes, it is _______ that I’d like to take a walk．
#18290
A
such a nice weather
B
so a nice weather
C
such nice weather
D
so nice weather
—That was a question, How did you get it right?—I just tried my luck
#18332
A
tight
B
tough
C
rough
D
direct
The old man is my grandfather.
#34905
A
eighty-years-old; like
B
eighty-year-old; likes
C
eighty-year-old; like
D
eighty years old; likes