According to the latest reports on TV and in the newspaper, food safety is becoming a ____________ serious worldwide problem.
#61535
A
more and more
B
little by little
C
now and then
D
one by one
推荐题目
Who is ______, John, Daniel or Jack? 
#61240
A
old
B
older
C
oldest
D
the oldest
—Peter is very         .—But John is       than him.
#60926
A
outgoing, outgoing
B
outgoing, more outgoing
C
more outgoing, outgoing
D
outgoing, outgoinger
Who is _________, your mother or your father?
#61067
A
smart
B
smarter
C
more smart
D
Smartest