I _____ the book for two weeks. I must return it to the school library.
A. borrow B. have borrowed
C. kept D. have kept
---What do you think of the environment in our city?
--- I am sure it _________ greatly through our work in the near future.
A. improved B. was improved
C. has improved D. will be improved
--- Can a plane fly _______ the Atlantic Ocean(大西洋)?
---Yes， but it needs to go _______ the clouds for hours.
A. across， through B. through， across
C. across， across D. through， through
The man is very ill and he has _______.
A. operate on B. to be operated on
C. to operate D. being operated on
They are _______ little sheep that we can’t make much money by selling _______.
A. so， it B. such， it C. so， them D. such； them
______ of the people here live on rice，and the people there live _______ on noodles．
A. Mostly；most B. Most；mostly
C. Mostly；mostly D. Most； most
