In the middle of the night, there suddenly came a loud thunder, _____ the alarms of the cars parking below us.
. --Were you late for the film?--Very late. Half of it ________ by the time we ________ the cinema.
Cars do cause us some health problems—in fact far more serious ________ than mobile phones do.
It is exactly the way ________ we speak ________ makes our teacher angry.
Nobody would stand out admitting the fact, for some reason, ________ they lost the game.
The teacher told the student to go back ________ he sat.