mum! A fish bone has stuck in my teeth!—______, Lucy. I am coming.

Tom went to school he had a bad cough.

It was on a train _____ I was travlling to Xi’an _____I made the acquaintance of the old professor from UK

We are taught that business letters should be written in a formal style in a personal one

In many countries in the world, breakfast is a snack ________ a meal, but the traditional English breakfast is a full meal.[ ]