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.
