Mr Brown is a(n) _____ secretary in our office, for he is able to do tasks successfully, without wasting time and energy.
#18411
A
effective
B
efficient
C
flexible
D
sufficient
推荐题目
The      house smells as if it hasn’t been lived in for years. 
#19015
A
little white wooden
B
little wooden white
C
white wooden little
D
wooden white little
—Tom’s mistakes in the exam are almost as ______ as Jack’s. —I know that boy. He’s ______ than Jack.
#18698
A
much; no more careful
B
much; not more careful
C
many; no more careful
D
many; not more careful