His wife ___ to catch the first train but she was too late.
They became friends again that day. Until then, they _______ to each other for nearly two years.
As the years passed, many occasions—birthdays, awards, graduations—________ with Dad’s flowers.
As the twentieth century, come to a close, the raw. materials for a great national literature were at hand, waiting_______.
With the help of high technology, more and more new substances____in the past years.
—You speak very good French! —Thanks. I __________ French in Sichuan University for four years.