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
With all my attention _____ my homework, I didn't even notice my father standing by me.
#93717
A
to fix on
B
fixed on
C
fixing on
D
to be fixed on
Look! Here comes my English teacher, ______ a group of students.
#91700
A
following
B
to follow
C
followed
D
follows
One Sunday several former classmates gathered at Tom’s for lunch, ______ their high schoolreunion the year before.
#97067
A
talking about
B
having talked about
C
to talk about
D
talked about
______ money，it remains to see whether we can put the idea into practice.
#92140
A
Lacking
B
Lacked
C
To lack
D
Having lacked
The fact is that the company is unlikely ______ the situation.
#98803
A
to change
B
to be changed
C
changing
D
changed