Peter sat on the train seat, with his eyes ____ on the fields outside the window.
#90328
A
fixing
B
fixed
C
to fix
D
having fixed
推荐题目
The speech which he made ______ the football match bored a lot of fans to death.
#94898
A
being concerned
B
be concerned
C
concerned
D
concerning
I would appreciate _____ it a secret.
#96686
A
your keeping
B
you to keep
C
that you keep
D
that you will keep
 Though ______, many laws of nature exist.
#97974
A
not having been discovered
B
having not been discovered
C
not having discovered  
D
having not discovered