Tony  ____ for the company as an engineer for two decades. Now he teachesmechanics m Peking University.
#100416
A
has worked
B
worked
C
is working
D
had worked
推荐题目
-- It's so cold! Why are your windows still open?         --- Oh, they _______.
#101102
A
aren't closing
B
won't close
C
won't be closed
D
aren't closed
—What’s that terrible noise?—The neighbors      for a party. 
#100709
A
have prepared
B
are preparing
C
prepare
D
will prepare
You may not have played very well today,but at least you’ve got through to the next round and _______.
#104616
A
tomorrow never comes
B
tomorrow is another day
C
never put off till tomorrow
D
there is no tomorrow