English preposition before after during exercises - answers

• Do the exercise on English prepositions »

• Stop before it is too late.
• Immediately after passing his exams he is going a for a long holiday.
• Look before you jump.
• Don't enter the classroom during a lecture.
• This invention was made after many fruitless experiments.
• He publishes one book after another.
• Millions of people were murdered during the German occupation.
• He always had a scholarship during his University days.
• I’ve seen him somewhere before.
• He ran so quickly that he arrived before me.