【C16】A．boundaryB．restrictionC．confinementD．limit

This river forms a natural _______ between China and KoreaA.boundaryB.stringC.spotD.zone

【C14】A．containedB．confinedC．conformedD．limited

【C2】A．lengthB．rangeC．extentD．limit

【C19】A．erosion "B．facilitationC．difficultiesD．limitation

Which of the following purchase limits would most attract people to buy？A．Limit 1.B．Limit

The American Jogging Association program limits a