Choose the correct sentence which is built from the words and phrases given:
We/ not survive/ start/ work/ cleaner/ safer/ energy/ sources.
A.
We won't survive so we start working on cleaner, safer sources of energy.
B.
We won’t survive although we start working on cleaner, safer sources of energy .
C.
We won’t survive unless we start working on cleaner, safer sources of energy.
D.
We won’t survive otherwise we start working on cleaner, safer sources of energy.
Đáp án và lời giải
Đáp án:C
Lời giải:
We won’t survive unless we start working on cleaner, safer sources of energy.