1 ................is the longest river in vietnam, mekong river or hay dongnai river
2 if we cut down more forests there ..........more floods
3 here is their son's telephone number i don't have ..........
4 a robot can do............different things from looking after a baby to building a house
5 lake baikal is the...............freshwater lake in the world
6 the opposite of dangerous is...........
7 do you think the robot is only ................intelligent machine
8 the three rs...........for reduce , reuse and recyce
9 i like this gym..............equipment here is new and cool
10 in the future robots.......behave like humans