-- 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
--- What’s your question?
---I want to know _________.
A.how can trees help us B.how do trees help us
C.how trees help us D.how can we help trees
--- What is France famous _________ ?
--- Grape wine . You know grape wine is made _________ grapes.
A.as , from B.for , of C.as , of D.for , from
--- Who is _________ tall woman with long hair ?
--- She is our English teacher, _________ we all like her very much.
A.a , and B.the , but C.a , but D.the , and
We waited for him at the school gate , but he didn’t appear until nine.
A.know B.finish C.look around D.come
We know Lady Gaga is well-known all over the world .
A.famous B.kind C.popular D.rich