Before becoming a pilot, he spent quite a long time ____.
#96741
A
to be trained
B
being trained
C
training
D
to train
推荐题目
I think it was a great honor for me _______ to speak to the public.
#91683
A
to invite
B
to be invited
C
inviting
D
having invited
All things ___, the planned trip will have to be called off.
#97326
A
considered
B
be considered
C
considering
D
hating considered
When ______ why he behaved that way at table,he made no reply.
#98513
A
being asked
B
asked
C
asking
D
to ask