﹣It seems impolite to ask direct questions，____ ？
﹣Yes，but I think it's OK to your close friends.（ ）
| A． |
does it |
B． |
doesn't it |
C． |
isn't it |
Tom ran _______ Sam. They are both winners.
A. as quickly as
B. as quick as
C. 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.
| A．was | B．has | C．will be | D．will have |
Mike is looking forward to the Great Wall next month.
| A．visited | B．visit | C．visits | D．visiting |