海南三亚一中月考3，24）So difficult _______it to work out the problem that I decided to ask Tom for some advice.
#84596
A
I did find
B
did I find
C
I’ve found
D
have I found
推荐题目
We all see Deng Chao's performance skills, yet little ________ attention to his singing talent.
#79696
A
do we pay
B
we paid
C
had we paid
D
we have paid
Only after Mary read her composition the second time __________ the spelling mistake.
#82243
A
did she notice
B
she noticed
C
does she notice
D
she has noticed
“ Although ,” the boy said , “ _______ over and over , the maths problem remained confusing to me ” .
#81999
A
explained
B
explain
C
explaining
D
having explained
She didn’t come to the party last Sunday. __________, she must have made the party more exciting.
#82825
A
If she came
B
Would she come
C
Had she come
D
Did she come
_________ for the free tickets, I would not have gone to the films so often.
#84191
A
If it is not
B
Were it not
C
Had it not been
D
If they were not