NATURAL DISASTERS. TEST 1.

13. - BAI TAP TIENG ANH LOP 9 TRAC NGHIEM TU BAI 1 10
Lớp 9 BAI TAP TIENG ANH LOP 9 TRAC NGHIEM TU BAI 1 10

13. Neil Armstrong .. was the first man walking on the moon is an American.

a. who b. which c. whom