Beijing has ________ many buses that there is often a traffic jam in rush hours,

volleyball is her main focus, she’salso great at basketball.

Not for a moment ______ sightseeing while in Europe.

She was ____ to study medicine to help the poor when she was a middle-school student [ ]

Did you go to the lecture by the visiting professor?— No. I ______ it, but I’ve been busy taking care of my grandma in hospital these days.