-- The math problem _________ is not dif
题型:选择题
问题:
-- The math problem _________ is not difficult.
--- But after several tries , I have to give up _________ on it .
A.it’s , working
B.itself , to work
C.itself , working
D.its , to work
-- The math problem _________ is not difficult.
--- But after several tries , I have to give up _________ on it .
A.it’s , working
B.itself , to work
C.itself , working
D.its , to work