Why are you so excited today—We were told ____ a picnic this weekend.

一___________I come in, Mr. King-Yes. of course. Please sit down at your desk.

Lu does work hard. —Yeah. _____ of his time ______been spent on studies every day.

The trade union intended to call on the workers to go on strike _______ the government’s limitation on exports

The suspect has proved that he was at ______ place atthe time of the crime.