______ the teacher has given permission, ______allowed to use the equipment in the lab.
#80828
A
Only if, are the students
B
If only, the students are
C
If only, are the students
D
Only if the students are
推荐题目
Only __________ one loses freedom __________know its value.
#81832
A
when, he does
B
when, does he
C
what, he did
D
that, did he
This lecture is by no means the most boring. I’ve attended_____.
#84638
A
better
B
worse
C
the best
D
the worst
I failed in the final examination last term and only then_____ the importance of studies.
#81338
A
I realized
B
I had realized
C
had I realized
D
did I realize
—How was the 2008 Beijing Olympic opening ceremony?—_______ that the whole world was attracted.  
#84647
A
It was very fantastic
B
Such fantastic was it
C
So fantastic was it
D
So fantastic it was
___that we couldn’t catch up with him. 
#83922
A
So fast he ran
B
So fast did he run
C
So fast ran he
D
Such fast did he run