---You should say sorry to her, Tom. --- ______, but it’s not going to be easy.
Driving past the crossroads, I found a little girl ____ on the sidewalk crying.
We won’t give up ______ we should fail twenty times.
Honey, it’s your turn __________ the dishes.
Hawking is known _________ the greatest scientist alive.
“China is still a developing country ___________.” said Premier Li at the conference.