--- What do you think of the math problem ? --- It’s very hard and nobody has _______.
#57830
A
put it out
B
helped it out
C
worked it out
D
solve
推荐题目
He speaks too quickly_________.
#58281
A
understand
B
write them down
C
to understand
D
and write
Everyone __________ here now. Let’s __________.
#61551
A
are; begin;
B
are; to begin
C
is; to start
D
is;start