The boy _____ loudly because he _____ his way in the jungle and thought he couldn’t go back home.
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.
If you want somebody to go window shopping with you, why not try calling Marie? —she ________ be home by now.