HALLOWEEN IS THE NIGHT OF 31 OCTOBER, WHEN PEOPLE ONCE BELIEVED THA...

6. - BAI TAP TIENG ANH LOP 8 UNIT 13 FESTIVALS CO DAP AN 2
Lớp 8 BAI TAP TIENG ANH LOP 8 UNIT 13 FESTIVALS CO DAP AN 2

6. Halloween is the night of 31 October, when people once believed that ghosts______ .

a. can see

b. can be seen

c. could see

d. could be seen