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 coming English speech competition will be a lot of work, so I need some volunteers to help out.
#94533
A
Organize
B
Organizing
C
Organized
D
Being organized
Though ______money,he managed to start his own business.
#95614
A
lacked
B
lacking in
C
lacking
D
lacked of
______ with new scientific farming methods, they have been able to use less farmland thanin the past.
#95889
A
Equipped
B
Having equipped
C
To be equipped
D
Equipping
________ that I was a regular visitor, the servant let me in.
#97711
A
Having seen
B
Seen
C
Seeing
D
To see
The Turners consider ____ a computer, which is commonly considered _________ a great help in our work and study.
#93369
A
to buy; to be
B
buying; to be
C
to buy; being
D
buying; being