The ______ on his face suggested that he was a little nervous .
#4575
A
instruction
B
expression
C
attitude
D
behaviour
推荐题目
They use computers to keep the traffic _______ smoothly. 
#5026
A
being run
B
run
C
to run
D
running
The police were seeking more information to find out ______ the rich merchant.
#59072
A
who was it that killed
B
who it was that killed
C
it was who killed
D
who was it killed