No other salesmen could know how to increase sales，but soon Tim________a good solution.[ ]

Alice,we should be more careful to avoid _____mistakes in paper. – Yes,you’ve right.But it is too difficult.

Hi, King, I heard you went to see the parrots instead of traveling to Calgary yesterday. –Yes, I did. You see, I’m ________ a bird watcher than a traveler.

The toughest thing about success is ________ you have to keep on being asuccess

ent Obama held talks with ChinesePresident Hu Jintao in Beijing, ________ economic recovery, climate change andstopping the spread of nuclear weapons