Mr. Chen is _____ generous man. He has donated a lot of money to people in need.

You ought to have put the milk in the refrigerator, and now ________sour.

In such dry weather, the flowers will have to be watered if they ________.

This kind of bamboo is not suitable_____pandas _____ eat.[ ]

Has Wendy handed in her application form?— Not sure. She told me that she wanted to check again and it in soon.