1-When ____________ the school?
A.have you joined
B.did you joined
C.did you join
D.have you ever joined
2-_____a contract last year and it is still valid.
A.We have signed
B.We signed
C.We haven't signed
D.We have sign
3-I can't believe that ________________ the news
A.you haven't read
B.you didn't read
C.you don't read
D.you read not
Loga
Sinh Học lớp 12
