I'd like to go swimming b____ it is so hot today.根据首字母完成单词

I'd like to go swimming b____ it is so hot today.根据首字母完成单词
根据首字母完成单词
1.I'd like to go swimming b____ it is so hot today.
2.Lin Tao often helps others.he is h___.
He didn't go to bed until very late last night.(同义句转换)
=He ____ ____ late last night.