Since he came to Cangxi Middle School, he has made many friends, _______ makes his life rich and meaningful.
I saw him leave the office an hour ago . He ____ at this time .
You don''t look well . You ____ have a fever .
He studied hard and ____ pass the examination .
The money was soon spent , so he ____ go hungry .
— Would you open the window , please ? — Yes , I ____ .