—Is Jay on his way to the cinema?
—I regret ______ you that he can't come today.
A:to tell
B:telling
C:told
D:having told
The snowstorm brought disaster to ________ people.
合理使用化肥,有利于农作物的生长和减少环境污染。下列有关化肥的说法正确的是( )
葫芦藓、桫椤、银杏、珙桐和海带五种植物如图所示.据图回答下列问题: