Many kinds of animals are ______. We must do something to save them.A. on holiday B. in danger C. on show
Behind bad luck comes good luck. So something good happened _____ you..
She looks very sad. I want to help her , but I just don’t know_________ to do.
At last our head teacher ______ who broke the window of the classroom.
My mother was cooking while I_________ the radio.
I decided to follow it to see _________.