My mother works in a school. She _________ maths.

If I _____ you, I _____ late for school this morning.

Many countries, for example, Mexico and Japan, _____a lot of earthquakes.

_______it comes to traffic rules, I often come across such cases ________the local drivers obviously know them but won’t follow them.

Tom didn’t get ready for his speech, so he was very ______ when he stood in front of class.