People ________do exercise every day have a better chance of staying healthy than those ________don’t.
—How dangerous it was! —Yes, but for the passerby's quick action, the girl ________.
Martin hasn't got in touch with me for ages. He ________ my new cell phone number.
According to the rules and regulations, all payments ________ be made in cash in the shopping center.
—Show me your permit, please. —Oh, it's not in my pocket. It ________.
People love the convenience of bottled water, but if they ________ the problem it causes, they ________ try carrying water in a reusable steel container instead of plastic.