Question

BY CHRISTMAS,ALL OF THE STUDENTS ______ TO THEIR COUNTRIES.
A)RETURN
B)WILL HAVE RETURNED
C)HAVE BEEN RETURNING
D) HAS NEEN RETURNING

Answer 1

Explanation:

A)RETURN

HOPE IT HELPS BECAUSE IN OTHER OPTIONS THERE ARE WRONG RULES OF TENSES

Answer 2

♡Heya Buddy♡

By Christmas, all students return to their countries.

The answer is option a