----Hi, can I speak to Mr. Brown now? ----Sorry, but he is not ______. He’s having a meeting now.
#17787
A
accessible
B
available
C
convenient
D
vacant
推荐题目
-----How did you think of the job he did last week ?-----Well done. ______. 
#59567
A
It couldn’t be worse
B
It should be better
C
It couldn’t have been better
D
It was worse
His proposal is very _____. We do not need any explanation.
#20719
A
abstract
B
faithful
C
loyal
D
concrete