Complete the verbs in the sentences (1st conditional sentence)
a) If you_________________ (help) him with his project, you _______________________(finish) it in time to go to the cinema.
b) If it ______________________(rain), the students _____________(practice) sport in the gym.
c) Lucy ___________________________(come) home late if she ___________(be) very busy at work.
d) Your teacher _____________(be) pleased if you ________________________(do) your homework.
e) If Nazar __________________(play) volleyball with us, we _____________-______(win) the competition.
7 If we miss this tram, we_______________________ (be) late for work.
8If people________________________ (clean) the beach, it will look nicer.
9When the sun sets, it _________________________________ (get) dark.
10If the polar ice melts, low-lying lands ________________________ (flood).
11If you heat water, it ________________________________ (boil).
12If you don't turn off the lights, you _____________________ (waste) energy.​