So far this year we __________ a rapid rise in food prices by between 10 and 20 percent．

Actually,the students can______ very well without looking up the words in the dictionary.

my mother opened drawer  to_________the knives and spoons.

You needn’t write on __________ line. You can write on __________ line.

---I wonder why he has been acting so strangely these days.---Recent pressure at work may ______ his behavior.