Did you notice a man passing by?
No, I________on the phone.( )
talk
am talking
was talking
talked
Sansha,a beautiful city,lies ____________ the south of China.
in
on
to
Yuan Longping is ___________ great scientist.He has helped to feed the world.
/
a
an
单词辨音。找出画线部分与其他单词发音不同的选项。
sk y
cit y
tid y
p ear
w ear
cl ear
h ouse
s oup
sh out