Zero CONDITIONAL



A) If Raphael is upset, _______ to him. (talk-imperative)

B) Metals expand if you ______ them. Cheat present)

C) Water ______ if the temperature reaches 100º Celsius. (boil - present)


D) If the temperature is below zero, water ______ (freeze - present)

E) If you feel sick, _______ a doctor. (call - imperative)

F) If the bus ______ soon, take a taxi. (come negative/present)​