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
Do you know the trouble he had _____ the work?
#92991
A
on finishing
B
to finish
C
having finishing
D
finishing
Some of our industrial products have been said           advanced level.
#96304
A
to reach
B
to be reaching
C
to have reached
D
to have been reaching
There Was an oil painting____ in the corner.It _____ there for several days.
#97288
A
laying,had laid
B
lain,had laid
C
lying,had lain
D
laid,had been lain