.— Thank you for your CD-ROM.I’ll return it as soon as I can.—_________.I’ve got another one to spare.
This is the best way ______ I have thought of ______ the problem.
Great attention must be paid ______ welfare, especially in the poor area.
At this time tomorrow ______ over the Atlantic.
Chen Xiexia is the first Chinese athlete ______ the gold medal in the Beijing Olympic Games.
______ many times, he finally understood it.