5.The fire s______ very rapidly because of the strong wind. 6.Thanks for the i_________ to your birthday party. 7. Chuck sat quietly for hours _______(盯着看)in the distance, thinking of what might have been. 8. Prices v____ with the seasons. 9. If you are u__________ of something, you do not know it is happening.
pread
nvitation
staring
ary
nconscious