_____several times，but unfortunately，the boy still couldn’t smooth away the problem on his own.
#73673
A
Having been explained
B
The problem having been explained
C
The problem had been explained
D
Although the problem had been explained
推荐题目
__________ entered the office when he realized that he had forgotten his report.
#73378
A
He hardly had
B
Had he hardly
C
Hardly had he
D
Hardly he had
Hesitating what to do, .
#69835
A
so let’s not go outing
B
we had to stay home
C
the tour was cancelled
D
but we should still take the tour
The only way to succeed at the highest level is to have total belief ________ you are better than anyone else on the sports field.
#67073
A
how
B
that
C
which
D
whether
______, his ideas was accepted by all the people at the meeting.
#70074
A
Strange as might it sound
B
As it might sound strange
C
As strange it might sound
D
Strange as it might sound
Every evening after dinner, if not ___________ from work, I will spend some time walking my dog.
#68040
A
being tired
B
tiring
C
to be tired
D
tired