________ H7N9 is a deadly virus, it is still safe to eat thoroughlycooked chicken.
#30280
A
Until
B
While
C
If
D
Since
推荐题目
On his way home yesterday , Tom was hit on the head_____he had time to realize what was happening .
#34827
A
since
B
before
C
when
D
until
________ excited Geoff Marcy most was whether there were planets in other solar system where life might exist.
#31534
A
It
B
That
C
What
D
Why
___________you try to do something beyond what you have already mastered, you will never grow.
#30739
A
Since
B
When
C
Though
D
Unless
The Chinese government has decided to develop the west of China，____，I dare say，will benefit the people there，especially those who are still leading a poor life.
#32342
A
what
B
whatever
C
which
D
as
More than 100 students have entered for the competition and gains the most points will be the winner.
#30609
A
what
B
one
C
that
D
whoever