Beginner Zero conditional sentence

If the microphone _____(not to work), you _____(not to hear).

• does not work/ does not hear

• do not work/ does not hear

• do not work/ do not hear

• does not work/ do not hear

Water always _____(to freeze) if the temperature _____(to fall) below zero.

• to freeze/ falls

• freezes/ fall

• freezes/ falls

• freezes/ to fall

They _____(to play) video-games if they ______(not to have) any homework.

• play/ not have

• plays/ do not have

• play/ do not have

• play/ does not have

If my friend _____(to be) angry, her face always ______(to go) red.

• to be/ go

• are/ goes

• is/ go

• is/ goes

If Anna _____(to have) a birthday party, she usually _____(to invite) a lot of friends.

• to have/ invites

• has/ invites

• have/ invites

• has/ invite

We ________ (not to use) calculators when we ________ (to write) tests.

• do not use/ write

• does not use/ write

• do not use/ writes

• does not use/ writes

If you _____(to heat) snow, it _______(to melt) easily.

• heats/ melt

• heat/ melt

• heat/ melts

• heats/ melts

The students ____(to be) punished if they _____(not to do) their homework.

• are/ do not do

• is/ do not do

• is/ does not do

• are/ does not do

If you _____(to disconnect) the battery, the computer ______(to turn) off.

• disconnect/ turn

• disconnects/ turns

• disconnects/ turn

• disconnect/ turns

Olga ______(to use) glasses when she _______(to type).

• uses/ type

• uses/ types

• use/ type

• use/ types