THERE'S A POST OFFICE _____ THE END _____ THIS BLOCK

câu 18. - BO TRAC NGHIEM ON TAP ANH VAN CO BAN AMERICAN ENGLISH FILE 2
BO TRAC NGHIEM ON TAP ANH VAN CO BAN AMERICAN ENGLISH FILE 2

Câu 18.

There's a post office _____ the end _____ this block.

A.

at/of

B.

in/of

C.

on/of

D.

at/in