—Would you have come to his help, had you been free? —Yes. But I______ engaged.
So sudden()that the enemy had no time to escape.
-------Do you have enough toall 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 faceday like that.