________ the reason, it is for sure that yawning can be passed from person to person.
#32140
A
Whatever
B
Wherever
C
Whichever
D
However
推荐题目
----What a beautiful picture! ----It’s years ______ I painted a picture as beautiful as this one.
#33288
A
that
B
since
C
when
D
before
_______ ninety-nine percent of the panda’s diet is bamboo, it also eats corn, apples and sweet potatoes.
#33237
A
If
B
While
C
Because
D
Since
Americans and Canadians can understand each other ___ they don’t speak the same kind of English.
#31018
A
now that
B
even if
C
as if
D
only if
The photo brought me back to the memory of the time in Qingdao, _________ I spent my summer holiday by the seaside with my friends.
#34091
A
that
B
when
C
which
D
what
Why not stay at home ______ the road is so slippery after the heavy snow?
#31925
A
in case
B
as long as
C
now that
D
even if