按照所学课文根据首字母提示填空，每空限填一词（共5小题；每小题1分，满分5分）。
To our great d__________ , we won the first prize in the speech contest.
__________ (缺乏) experience, he can’t finish the task on schedule by himself.
 My grandfather is too old to care for himself, so my aunt is looking for someone to a         to him.
It was said that the settlers nearby d          that the nightclub should move away as soon as possible.
In the garden we can find            (多样) of plants.