What does this sign mean?
Don't use your mobile phone here. // Never use your mobile phone here.
Complete: Be careful!! Those are very dangerous chemicals, you _______ get poison.
might / could
True or false?: "Always wash your hands after working in the workshop."
True
Complete: "____________ wear boots and a hard hat at the workshop."
Always
What does this sign mean?
Don't enter here.
Choose" "There were/was many tools on the floor."
were
