The boy is afraid ________ cross the bridge, because he is afraid ________ falling into the river.
There is ___ food in the fridge(冰箱). Let’s buy some.
- Would you like to have lunch with me? - _________
I don’t like ____ days because it’s too cold.
--Is your friend quiet? --No, he never stops __________.
I don’t like apples, bananas ____ pears.