—Shall I help you, sir? —I appreciate ____ if you do me the favor to pack the luggage.
His knowledge of French is ___________ for the job, although he was not fluent in the language.
A family of five is really a heavy burden, so we all have to work hard to _______.
The police finally caught up with the man ______ was the escaped prisoner.
We are now enjoying the cool air in the room. ____, the farmers are harvesting crops in the hot sun.
Because of the financial crisis this year, the company decided not to _______ dividends (股息) to its shareholders.