Question

1. Why are you going to Sapa in February? (FOR)
What ..............................................................................................................................

2.Fossil fuels won’t be burnt for energy in the future. (BURN)  ->
Hoa studies .......................................................................................................................

Answer 1

1. Why are you going to Sapa in February? (FOR)

-> What are you going to Sapa in February for?

2. Fossil fuels won't be burnt for energy in the future. (BURN)

-> People won't burn fossil fuels for energy in the future.