Having a trip abroad is certainly good for the old couple, but it remains _______ whether they will enjoy it. 
#98604
A
to see
B
to be seen
C
seeing
D
seen
推荐题目
The witnesses________by the police just now gave very different descriptions of the fight. 
#89490
A
questioned
B
being questioned
C
to be questioned
D
having questioned
The library needs __, but it will have to wait until Sunday.
#98110
A
cleaning
B
to clean
C
clean
D
being cleaned
________ the same mistake again made his parents very angry.
#95290
A
His being made
B
He had made
C
He had making
D
His making
 I don’t know her and I don’t ______ .
#97505
A
want
B
want to
C
want it
D
to want