--___________has he been like this?--Ever since last week.
#58079
A
How long
B
How soon
C
How often
D
How much
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____ it snowed heavily yesterday, nobody in our class missed the lesson．
#58529
A
Though
B
Because
C
Unless
D
Since
After school he didn't go home. ______, he went to the playground.
#57039
A
But
B
While
C
Instead
D
Instead of
At school, some students are active ______ some are shy, yet they can be good friends with one another.
#55459
A
while
B
although
C
so
D
as