1 it is very …. for aquatic animals to drink water here because it is unpolluted
A dangerous B safe C wise D necessary
2 The …. in technology allows scientists observe the outer space
A discovery B progress C advance D exploration
1 it is very …. for aquatic animals to drink water here because it is unpolluted
A dangerous B safe C wise D necessary
2 The …. in technology allows scientists observe the outer space
A discovery B progress C advance D exploration
Câu hỏi mới
1 bình luận về “1 it is very …. for aquatic animals to drink water here because it is unpolluted A dangerous B safe C wise D necessary 2 T”