下列各句中都有一处错误，请将错误处的序号填入括号中，并改正。( ) 1.HowdoLisafeel ?
AB C
( ) 2.Whatdoyoudowhenyouhavetheflu ?
AB C
() 3.WhichtwothingshouldSarahNOTdo ?
A B C
() 4.Iamgoinginabigtripwithmyparents.
A BC
() 5.Thereisafootballmatchwithclass1andclass3.
A B C1.B→does 2. B→if 3. B→things 4. B→on 5. B→between