The Internet has become increasingly popular, ______ us to see as well as to hear all kinds of programmes. 
#89875
A
to allow
B
allowing
C
allowed
D
having allowed
推荐题目
   late in the morning,Bob turned off the alarm.
#97782
A
To sleep
B
Sleeping
C
Sleep
D
Having slept
The _________ look on his face suggested that what the monitor said was ___________.
#96122
A
puzzling; puzzled
B
puzzled; puzzled
C
puzzled; puzzling
D
puzzling; puzzling
You can hardly imagine the trouble the woman had______her children.
#89856
A
brought up
B
to bring up
C
bringing up
D
to have brought up