II. Khoanh tron dap an dung
1. When
a) have you joined
2.
a) Did you ever worked
3. That's the best speech
a) I spoke
6.
a) I never dealt with.
c) I've ever had to deal with.
5.
to him last week.
a) We have signed
7.
the school?
a) I never heard
4. He's the most difficult housemate
a) ...
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