If you _______ , I will _______ myself.
Mary _____ up yet because she _____ to bed very late last night.
--- Would you like to go birdwatching with us? --- .
He will work in this school _______.
The number of the red-crowned cranes will become ____ if we don’t take any action.
---You were out when I went to your house this morning. ---Oh, I _______ for a friend from England at the airport.