A．excuseB．justificationC．causeD．ground

Which one is the ‘clear grounds’ for a more detailed inspection？A.paint peeling off the up

The old car ground to a ____ in front of the house.

A surprising discovery made by the investigators during their visit to ground zero is that

Grounded whales often struggle fruitlessly to reenter deep water.A．violentlyB．desperatelyC

Try and______your tent on level ground.A．pitchB．establishC．installD．fix

【C18】A．fieldB．courtC．ringD．ground