222 + 222 = ?
222 x 2 = 444 nha bạn !
Chỉ cần thêm dấu gạch chéo và dấu bằng
Tích tớ nha
40+40+20+100=200
giải thế nào?
I. Completethesentenceswiththesuitablewordfromthebox.
|
generate |
invested |
avoid |
converted |
reduce |
1. Use electricity economically so that wecan reduce our electricity bills.
2. Solar power canbe converted into electricity.
3. Businesses have more money invested in renewable energy inrecent years.
4. Fossil fuels can be used to generate electricity or drive bigmachinery.
5. We should avoid using cars or motorbikes for short trips.