ALTHOUGH SHE IS 103 BUT SHE STILL DOES A LOT OF WORK IN THE FLAT.A...

63. - 2000 CAU TRAC NGHIEM ANH A B C
2000 CAU TRAC NGHIEM ANH A B C

63. Although she is 103 but she still does a lot of work in the flat.

a. Although

b. is

c. but

d. a lot of

--> c