Students ________________slippers(拖鞋) when they are at school.
#44587
A
don’t allow to wear
B
don’t allow to put on
C
are not allowed to wear
D
are not allowed to put on
推荐题目
--When _____ the abacus _____?   -- In the sixth century by the Chinese people.
#44867
A
is, invented
B
did, invent
C
was, invented
D
does, invent
Here are the photos of my favourite football players       in Beijing.
#44918
A
who were taken
B
that took
C
which I was taken
D
that were taken
Chinese ______by the largest number of people in the world now.
#44672
A
is spoken
B
is speaking
C
speaks
D
spoke