Over the past decades, sea ice _______ in the Arctic as a result of global warming.
A. had decreased B. decreased
C. has been decreasing D. is decreasing
This restaurant has become popular for its wide _______ of foods that suit all tastes and pockets.
A. division B. area C. range D. circle
---- How do you find your new classmates?
---Most of them are kind, but _______ is so good to me as Bruce.
A. none B. no one C. everyone D. someone
____ in a branch of the tree ___ a note which read "I'll meet you at the School Gate".
A. Sticking; was there B. Stick; was there
C. To stick; was D. Stuck; was
I _____not thank you too much for your help.
A. may B. can C. should D. will
A new virus related to SARS is reported______ at least one person in China last week.
A. to kill B. to be killing C. to have killed D. kill
