.______ the traffic jam we should have arrived at the airport half an hour earlier.
________worries meis the way he keeps changing his mind.
________matters most in learning English is enough practice.
________you’ve got a chance,you might as well make full use of it.
—Did you return Fred’s call?—I didn’t need to________I’ll see him tomorrow.
Some parts in South China have experienced________this year as they did last year.