2 giờ trước (10:36)
"By the end of this century, we will have to explore the Moon to find important minerals.
It (be) dangerous for people so we (use) robots instead of humans.
It (not be) very expensive because robots (not need) money, food, air or water. They will only use solar energy.
Robots will get minerals from the Moon and they (bring) them back to Earth.
o l m . v n
Tiếng Anh lớp 6
it will be dangerous for people so we will use robots instead of humans.
it won't be very expensive because robot won't need money, food, air, or water..................
