-- The math problem _________ is not difficult. --- But after several tries , I have to give up _________ on it .
#49383
A
it’s , working
B
itself , to work
C
itself , working
D
its , to work
推荐题目
Why not________your teacher for help when you can’t finish ________it by yourself?
#49455
A
ask,write
B
to ask,writing
C
ask,writing
D
asking,write
Colours can make us ______ or sad.
#50065
A
feel happy
B
feel happily
C
to feel happy
D
to feel happily
--- Mum, I am very thirsty(口渴).--- What about some orange juice?
#49725
A
drink
B
to drink
C
drinks
D
drinking