I was walking down the street, when I suddenly saw a car __________ a huge pine.
So sudden ________that the enemy had no time to escape.
-------Do you have enough to ________all your daily expenses? --------Oh yes, enough and to spare.
The number of foreign students attending Chinese universities ________ rising steadily since1990.
Whenever I met her, _________ was fairly often, she greeted me with a sweet smile.
I felt so bad all day yesterday that I decided this morning I couldn’t face ________ day like that.