The lecture, _______at 7:00 pm last night, was followed by an observation of the moon with telescopes.

two coats, I’d choose the _____one to spare some money for a book.

Annie’s bike is broken(坏), so she _______ walk to school.

He wouldn’t give up smoking _______ hisdoctor told him it was a matter of life and death.

He got up late and hurried to hisoffice, ________ the breakfast untouched.