These chairs may look good, but they’re very un-comfortable _____.
#90864
A
to sit on
B
to be sat on
C
sit on
D
sitting on
推荐题目
The graduation ceremony,_______ at 9 pm yesterday, was followed by a film .
#92885
A
starting
B
being started
C
to start
D
to be started
I hate ______ their complains all day. one of these days I’ll tell them what I really think.
#98577
A
paying attention to
B
to talk about
C
listening to  
D
to have heard
--- I usually go there by train. --- Why not _______ by boat for a change? 
#98779
A
to try going
B
trying to go
C
to try and go
D
try going