The killer insisted that she was defending herself when _______.
#89826
A
attack
B
attacked
C
to attack
D
having attacked
推荐题目
Professor Smith, along with his assistants, ________ on the project day and night to meet the deadline.
#96474
A
work
B
working
C
are working
D
is working
AIDS is said ______ the biggest health challenge to both men and women in that area over the past few years.
#98941
A
that it is
B
to be
C
that it has been
D
to have been
We’ve had a good start, but next, more work needs _____to achieve the final success.
#94925
A
being done
B
do
C
to be done
D
to do
I'm afraid that I can't make myself _______ because of my poor English.
#91275
A
understand
B
understanding
C
to understand
D
understood
It’s a difficult skill to master, but ______, it will benefit you for the rest of your life.
#90000
A
once obtained
B
when to obtain
C
after obtaining
D
while obtaining