China has got a good               for fighting against the flu with its careful and smooth organization.

---- What made her so upset ? ---- ________ . 

She was in a _________ as to whether to stay at school or get a job

—Do I need to give a tip if I eat at a fast food restaurant in the United States? —Yes, it’s a common ______ to tip waiter in a restaurant.

Jack is not very decisive, and he always finds himself in a ________ as if he doesn’t know what he really wants to do．