The green light on the side of the water purifier lights up _____ the filter needs to be replaced.

Question 1

A. likewise

Answer

A. likewise

Question 2

B. whenever

Answer

B. whenever

Question 3

C. therefore

Answer

C. therefore

Question 4

D. whereas

Answer

D. whereas

Câu hỏi: The green light on the side of the water purifier lights up _____ the filter needs to be replaced.