In 1948,three American scientists invented __________ transistor, which is __________ small electronic device to control an electric current.
—Can I pay the bill by check?—Sorry. Sir. But it is the management rules of our hotel that payment be made in cash.
This January will be very precious for us by which time we______ reviewing Senior Book I.
I can’t tell you the exact time when I’ll get there, maybe at eight or at nine or later. _____, I’ll be there as early as I can.
Mc Grady says he doesn’t care about Yao Ming getting 30 or 40 points and he just gets 15, ______ Houston Rocket wins.
AIDS and SARS may have made the headlines, but rabies (狂犬病) is now _____ killer than both.