It doesn’t matter to us _______ you do.
I just wonder _____ that makes him so excited.
He got run over by _____ taxi and now he is still in ____ danger in hospital.
I can’t _____ his failure.It is unbelievable.
—Who left the door open?— Oh, sorry. I _____ the door.
The traffic problems we are looking forward to ______ solved should have attracted the government’s attention.