. You must do your homework now; you ______ computer games all the evening.
#103809
A
have been playing
B
play
C
are playing
D
played
推荐题目
In 1960, this was the longest bridge that __________.
#104497
A
was ever built
B
had ever built
C
has ever been built
D
had ever been built
With the development of science,more new technology      to the fields of IT.
#104546
A
has introduced
B
is being introduced
C
is introduced
D
was introduced