MY SISTER EITHER ………….. THE GUITAR OR ………….. VERY WELL.A. PLAYS/ SI...

4. - ON TAP KIEM TRA LAN 4 LOP 11
ON TAP KIEM TRA LAN 4 LOP 11

4. My sister either ………….. the guitar or ………….. very well.

a. plays/ sing

b. plays/ sings

c. play/ sing

d. play/ sings