A. OUR SUMMER VACATION STARTS ON JUNE.B. OUR SUMMER VACATION START...

63. - T ANH 7 65 CAU TRAC NGHIEM
T ANH 7 65 CAU TRAC NGHIEM

63.

a. Our summer vacation starts on June.

b. Our summer vacation starts in June.

c. Our summer vacation starts at June.

d. Our summer vacation starts the June.