The ordinary girl sat silently at the corner , but when the prince came over to invite her to dance , her face immediately ____________.
The old woman is sitting_____________ her daughter.
--__________?--It depends on what it is.
__________ full preparations, we decided to put off the meeting till next week.
In such dry weather, the flowers will have to be watered if they ____________
It is the protection for the trees___________ really matters, rather than how many trees are planted.