—What are you doing, John? Why stop?—To be on the safe side, we’d fill up the car now for we _______ run out of gas on the way.
Ms Li requested that we _____ spend half an hour reading English aloud every morning.
Many students’ failure ____ their carelessness in every examination.
After leaving college, Mike was employed in an international company and _____ there ever since.
The weather in London is so changeable that people always take their umbrellas with them _____ rain.
There is no _____ that taking regular physical exercise is good for your heart.