Is this the reason _____ at the meeting for his carelessness in his week? [ ]

New medicines and instruments ______ every day to extend life.

ents want me to take_________mathslessons at the weekend, but I want to play and have fun.

I’m very proud of that Beijing is one of __________cities in the world.

He got up late and hurried to his office, _______ the breakfast untouched.