(2013·青岛一模)All flights ________ owing to the heavy fog, many passengers could do nothing but take trains.
#88934
A
to be cancelled
B
were cancelled
C
have been cancelled
D
having been cancelled
推荐题目
 Please tell me the way you thought of ___ the garden. 
#98052
A
take care of
B
to take care of
C
taking care of
D
how to take care of
It’s their duty for the soldiers          our country          our enemies.
#93133
A
to prevent; from
B
to keep; from
C
to protect; from
D
to defend; with