—The water was running all night long.—Yes. It seemed that John ______ . He was the last one to leave the lab.
He has three brothers, ________is a doctor.
___________ catch the early bus, he got up very early this morning.
Our school was ________ in 1925 and has a history of more than 80 years.
________ stopping polluting the earth ________ hope to live in a better environment.
--Why do you look pale today? --I was very ________my mother’s illness. I stayed awake last night.