He is a man of few words, and seldom speaks until _______ to.
#98431
A
spoken
B
speaking
C
speak
D
be spoken
推荐题目
Once ___, it can never be forgotten.
#97778
A
see
B
to be seen
C
seen
D
saw
This new book of hers is believed _______ into many different languages.
#95788
A
to be translated
B
to have translated
C
being translated
D
to have been translated