I tried hard to get some information about the new technology out of his mouth,but he remained __________.
#20551
A
quiet
B
secret
C
silent
D
calm
推荐题目
He is a ______ traveller.
#20296
A
addictive
B
addicted
C
addition
D
additional
She is _______ at her boyfriend. 
#18622
A
disappointed
B
disappointing
C
disappoint
D
to be disappointed