—Is Mo Yan, the Nobel Prize winner, ______ best writer in China?—It’s hard to say. But he is really ______ very good writer.
--I hear Lin Tao made an English speech at the graduation ceremony yesterday. -- _______, and _______.
-- _______ do you study for a test? --I study by working with a group.
--Many students don’t know how to _______ stress. --I think they’d better ask their teacher for help.
When you don’t know a word, you can _______ in a dictionary.
“Keep off the grass” means .