——Can I pay the bill by check? ——Sorry, sir. But it is the management rule of our hotel that payment ____ be made in cash.
Tom put his heart into the wildlife research, and finally, his efforts ____ him great success and fame.
You'd sound a lot more polite if you make a request ____ a question.
____, the pay isn't attractive enough, though the job itself is quite interesting.
Tom pretended ____ it, but in fact, he knew it very well.
Little Johnny felt the bag, curious to know what it .