--- Do you know him?--- Yes, but I can’t remember ______I met him for the first time.A. where B. what C that D. if
—Hi, which university do you prefer? —Well, I've been considering __________ to Harvard University.
She had just finished her homework __________ her mother asked her to practice __________ the piano yesterday.
The squirrel was lucky that it just missed __________.
Your hand is dirty. It needs __________.
He narrowly escaped __________ in a car accident caused by careless driving.