The students are ___ young people between the ages at between the age of sixteen and twenty.
At the meeting, the old man ______ some good advice about bringing down the market price of onion.
We were swimming in the lake _____ suddenly the storm started.
Alice didn’t want her parents to know .
It took building supplies to construct these energy-saving houses. It took brains, too.
Every evening after dinner, if not from work, I will spend some time walking my dog.