Here __________ a pair of black shoes on sale.I’11 take__________ .
Tom ran _______ Sam. They are both winners.A. as quickly asB. as quick asC. so quickly as
—_______ does Mary surf the Internet? — Every day. A. How long B. How many C. How often
Mr. Li is one of _______ best engineers in this factory. A. the B. an C. A
There ______ a soccer game in our school tomorrow afternoon.
Mike is looking forward to the Great Wall next month.