It was because his father was ill _____ he did not go to work.
When the old man _______ to walk back to his house, the sun ________ itself behind the mountain.
In 1960, this was the longest bridge that __________.
―Why? Where is the key to the sound lab? ―Dear me! You _______ it in the taxi！
―What were you doing when I called you yesterday afternoon? ―I ________ my homework and I was starting to take a bath.
―What’s the matter? You look worried and restless. ―Oh, nothing really serious. As a matter of fact, I ______ of my graduation thesis. I have to hand it in soon.
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