There is no doubt _______ first aid(急救) is only a temporary form of help given to a patient.
I left my pen on the desk and now it’s gone; who _____ it?
Country life gives him peace and quiet, which is ______ he can’t enjoy while living in big cities.
We _____ to move but are still considering where to go to.
It has come to my notice _______ some of you have missed classes.
. You _____ your turn so you’ll have to wait.