Language Hub Intermediate B1+, Unit 8.1 - Grammar (Zero, first cond)

The computer gets really slow if you _ _ _ _ _ _ (keep) too much on the desktop.

I'll buy some new batteries if you _ _ _ _ _ _ (tell) me what size you need.

Unless we can fix this problem, we _ _ _ _ _ _ (have to) change the design.

The phone can last about 24 hours if you _ _ _ _ _ _ (not charge) it.

I _ _ _ _ _ _ (not buy) this product again - it's awful!

• He'll help you tomorrow if it still _ _ _ _ _ _ (not work).

Are you angry if I cancel our plans ?

If the puzzles are too difficult, I usually get bored.

I never buy gadgets unless I don't need them.

What happening if you press this button?