A:a; /
B:/; the
C:the; a
D:a; a
根据以上探究,确定“金”是假的理由有哪些?推测“银”可能是什么金属,依据是什么?
下列各句中,划线的词语使用恰当的一项是( )
听短文, 根据短文内容完成下列表格。
Things some people do on the __(1)____
they spend only ____(2)____.
They ___(3)____ to give their seats to the old people without listening to the ticket sellers.
Be ___(4)____ and help the persons in need of help.
Things we should do
Give your seats to the people with ____(5)____ and let old people get on or get off before you.