SCIENTISTSII. JOIN EACH PAIR OF THE SENTENCES, USING WORD IN THE BR...

6. - KIEM TRA 1 TIET SO 4 ANH9
KIEM TRA 1 TIET SO 4 ANH9
6. scientistsII. Join each pair of the sentences, using word in the bracket. (6 x 0,5 = 3 m)