This problem is said _______ three times, but he still can’t understand it.
#90815
A
to have been explaining
B
to have explained
C
having been explained
D
to have been explained
推荐题目
The driver wanted to park his car near the roadside but was asked by the police______.(2013·新课标全国Ⅰ，28)
#88732
A
not to do
B
not to
C
not do
D
do not
Having finished her project ,she was invited by the school______ to the new students.
#89788
A
speaking
B
having spoken
C
to speak
D
to have spoken
______ for our dreams, as the principal addressed at the graduation ceremony, offers us a sense of belonging．
#88579
A
Being struggled
B
Struggling
C
Struggle
D
To be struggled
______ the project in time, the staff are working at weekends.
#90646
A
Competing
B
Having completed
C
Completed
D
To complete