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【简答题】
为了使Na 2 S 2 O 3 滴定液稳定,正确的配制方法是( )。
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皮皮学刷刷变学霸
举一反三
【单选题】Terry's father was a man who ______.
A.
was proud of his garden and liked showing it off
B.
was very sociable towards his neighbours
C.
preferred to keep himself to himself
D.
felt jealous of the people in Jenkins Street
【单选题】Dongdong’s father was so tired ______ a day’s work that he went to bed early.
A.
after
B.
before
C.
in
D.
out
【单选题】— Dongdong, ____ toy car is that? — It’s ____.
A.
who’s; her s
B.
whose; mine
C.
whose; her
D.
who’s; my
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