Sometimes, ___ we show our gratitude for a person is reflected in the kind of food we serve him or her．
#30972
A
whether
B
when
C
why
D
how
推荐题目
From space, the earth looks blue. This is ____about seventy-one percent of its surface is covered by water.
#30949
A
why
B
how
C
because
D
whether
The best moment for the football star was _______ he scored the winning goal.
#30013
A
where
B
when
C
how
D
why
Double ovens are a good idea, especially ________ you are cooking several meals at a time.
#32765
A
though
B
if
C
that
D
unless
________ he stops driving himself like this, he'll have a breakdown.
#30254
A
Until
B
Once
C
Since
D
Unless