The oil wells will all run dry in _____ thirty years at the present speed of use[ ]

I haven’t seen Tom for a long time. Is he ill?—_____. His teacher told me he was in hospital.

Yesterday we went to the beach and had great fan in the sea .

下列各组词语中，没有错别字的一组是（ ）

I saw Liu Fang _______a bus at seven o’clock this morning . She may have missed it.