David went to buy some stationary souvenirs my cousin.
Our teacher told us light (光) _________ much faster than sound .
--- Will you please fly a kite with me in the park this afternoon? ---_____. I will look after my sister.
---Could you tell me_________? ----About 6 o’clock.
---I came to your office yesterday morning, but nobody was in. --- Sorry, we _______ a meeting .
Kate doesn’t want to buy the skirt because ________the color ______ the size fits her.