15. The doctor bent _____ the boy and checked his wound.
After walking for 4 hours, he was ___ tired ___ move on.
— What did he say?— He told us ___ computer games any more.
I wonder how ___ a factory here. Who can help me?
She is too young to help me. Let’s finish the work by ___ .
We’re looking forward to ___ London for the soccer game.