A YEAR………., WHEN MARY CAME VIETNAM. A. AGO B. THAT C. SINCE D. FOR

19. - KIỂM TRA ANH VĂN - PERIOD TEST 10 POTX
KIỂM TRA ANH VĂN - PERIOD TEST 10 POTX

19. A year………., when Mary came Vietnam.

A. ago

B. that

C. since

D. for