【C9】A．doubtB．placeC．favorD．charge

【C6】A．timeB．placeC．sightD．way

【C4】A．restaurantB．placeC．dinnerD．contest

A．formB．placeC．shapeD．size

【C3】A．no doubtB．no wonderC．no longerD．no matter

【C8】A．benefitB．profitC．favorD．oblige

People in this area are in______over the heavily polluted air.A．doubtB．dangerC．troubleD．su