Scientists say it may be five or six years ____ it is possible to test this medicine on human patients.
#92433
A
since
B
after
C
before
D
when
推荐题目
In no place of China little about the economic development nowadays.
#93176
A
the local government cares
B
does the local government care
C
doesn’t the local government care
D
cares the local government
Some young people in America are expected to leave ______ could be life’s most important decision---marriage--- entirely up to luck.
#93543
A
which
B
that
C
what
D
as
It's said that the power plant is now large as what it was.
#91932
A
twice as
B
as twice
C
twice much
D
much twice
private cars are bringing us convenience, they may also cause traffic accidents and pollution.
#93055
A
When
B
Since
C
while
D
As