The best word to fill in the blank is "wail."
So the complete sentence would be: Sirens wail to warn people a tsunami is expected.
Sirens _________to warn people a tsunami is expected.
a.
wail
c.
ring
b.
call
d.
none of these
1 answer
The best word to fill in the blank is "wail."
So the complete sentence would be: Sirens wail to warn people a tsunami is expected.