________ the difficult maths problem, I have consulted Professor Russell several times.
#88373
A
Working out
B
Worked out
C
To work out
D
Work out
推荐题目
The first thing ________ I did was to see if there were any products ________ might help me, but there only seemed to be powders ________ to kill snakes.
#94525
A
that; /; designed
B
which; that; designed
C
/; that; designed
D
/; which; design
_____ extremely exhausted, I turned to look at the puppy that _____ at the door.
#94642
A
Felt, lied
B
Feeling, lay
C
Fell, lied
D
To feel, lain
The city is believed over by sandstorms from AD200 to AD400.
#91594
A
to cover
B
to be covered
C
to have been covered
D
that was covered
To learn English well, we should find opportunities to hear English_______ as much as we can.
#94507
A
speak
B
speaking
C
spoken
D
to speak
Living in the dormitory means_________ to take care of yourself, understand each others’ differences and share________ interests.
#94344
A
to learn; common
B
learning; ordinary
C
to learn; ordinary
D
learning; common