Seeing their teacher _______ into the classroom, they stopped _______ at once.
The first thing ______ I am going to do this evening is to go to sleep.
Mother’s Day is coming, I’m thinking about ________
__________ good advice the teacher gave me!
The traffic was busy on our way to the train station, _____ we caught the train on time at last.
Listen! Can you hear them _______ in the next room?