读世界局部区域不同时间沙尘空间分布图。完成小题。造成该区域沙尘扩散的主要因素是( )
当沙尘扩散如甲所示时，最可能的时间是( )
﹣Could you please tell me _____？
﹣Ten years ago．（ ）
when you taught in this school
when did you teach in this school
how long you taught in this school
how long did you teach in this school
The students love the teachers _____ can make their lessons fun．（ ）
whom
who
whose
which
Bob is one of _____ boys in Class1，Grade 9．（ ）
clever
cleverer
the most clever
the cleverest
﹣Jack didn't go to bed _____ 12o'clock last night．
﹣That's why he was late for school this morning．（ ）
until
for
to
at
The teenagers _____ to choose their own clothes．（ ）
allow
allowed
are allowing
should be allowed
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