The old rules have to bebecause they only applied to the circumstances that existed when they were made a hundred years ago.
– Mike, did you see Mr. Chapman in the office just now? -- Yes, he ______, and he looked a little bit nervous.
______ economy in some European countries worsening, many more workers had to be laid off.
It was raining, but _________ it was a nice trip.
Football is just not my ___________ ---- I like playing volleyball.
Every day, mainland China _______ Hong Kong _______ lots of vegetables, fruits and meat.