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【单选题】
Mr Green _______a good teacher.

has always been
has been always
always has been
【单选题】
Keep a __________attitude and good things will happen.

negative
positive
post
【单选题】
This will be a good____________ for us to exchange experience.

opportunity
question
attitude
exercise
【单选题】
That was a good idea and the government finally_________ it.

delivered
sold
bought
accepted
【单选题】
She has a good [填空] for detail.

foot
arm
eye
nose
【判断题】
Notes usually need a good introduction.

正确
错误
【多选题】
Suddenly,_____________ , a good idea came to her.

to her disappointment
to her great joy
to her surprise
to her delight
【单选题】
He his success to good luck.

adds
owes
apologizes
limits
【单选题】
My sister is good [填空] showing.

in
on
at
for
【单选题】
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H2O——NaAc
HCl——NaCl
NaOH——Na2SO4
NaHCO3——Na2CO3