So difficult ___it to work out the problem that I decided to ask Tom for advice.
#84500
A
I did find
B
did I find
C
I have found
D
have I found
推荐题目
(2013·高考辽宁卷)At no time ________the rules of the game.It was unfair to punish them.
#80039
A
they actually broke
B
do they actually break
C
did they actually break
D
they had actually broken
. Will you please keep quiet now? You shouldn’t talk until ________ to.
#82662
A
asking
B
having asked
C
to ask
D
asked
So sudden ______ that the enemy had no time to escape.
#82852
A
did the attack
B
the attack did
C
was the attack
D
the attack was
Don’t be rude to your father.Never in his life in that way.
#84330
A
has he spoken to
B
he has spoken to
C
has he been spoken to
D
he has been spoken to
Little ______ that we were watching his every move, so he seemed to be going his own way in this business.
#83861
A
he realized
B
he didn’t realize
C
didn’t he realize
D
did he realize
