Many children s—— to death every year in Africa because of t

Many children s—— to death every year in Africa because of the lack of food.
s开头的单词是什么?
we must keep the b——of nature
b开头的单词是什么？
A party was given in the hall （） the guests from France
A、in favor of B、in need of C、in search of D、in honor of
单句改错
在错的词下划一横线，在该行右边横线上写出改正后的词（每句均有一个错误）
1、What the earth travels around the sun is known to us all.
2、The ruler that he bought yesterday was lain on the table.
3、He returned in the afternoon of his birthday.
4、He spoke too rapidly that we couldn't clearly understand him.
5、He shouldn't have gone abroad，for I saw him in the part this morning.