We don’t have enough nurses to look after the patients. At least _____ are needed.
Excuse me.Could you wake me up when my friend______here?-Of course.But we still don’t know when your friend ____ here.
Helen,my parents asked me to give you some flowers______ your birthday.—Oh,please say thanks______ me.[ ]
_______is the bridge over the river? —It’s three miles.[ ]
The more you smile, the ___________ you will feel.