With so many people ____ the Internet, it is difficult to see online movies at the same time.
#95273
A
surf
B
to surf
C
surfing
D
surfed
推荐题目
It’s time he _________ piano. Don’t you think he has wasted too much time online? 
#96148
A
stopped to take up
B
stops taking up
C
stopped to leave alone
D
stops leaving alone
  I’m delighted _______ as chairman of the students’ union last winter.
#96850
A
to appoint
B
to be appointed
C
to have appointed
D
to have been appointed
 It was dark, but I could see a man        on the floor,       with a rope.
#90538
A
lie, tie up
B
lay, tied up
C
lying, tied up
D
lying, tying up