Every day the boy, together with his classmates,_______to go to the sports ground and______football, _________themselves.

Excuse me, sir. Is the swimming pool open all day—_______. Only from 6:30 p.m. to 9:30 p.m.

Either you or I _____ going to attend the meeting in the afternoon.

said he could fix my bicycle, but I really doubtit.—_______. He’s very good at this sort of thing.

下列各组词语中，没有错别字的一组是(　　)