The invention of the chip greatly _______ the development of computer science; ______ the computer science stepped on the freeway of rapid development.
Both teams were in hard training; _____ was willing to lose the game.
I’m sorry, _____ I won’t be able to come tonight.
Tom’s mother always told him not to smoke again, but _____ didn’t help.
Meeting my uncle after all these years was an unforgettable moment, _____ I will always treasure.
She wants a Mexican carpet, but she can’t afford to buy ______.