It is acknowledged that _______ shortest distancebetween persons is _______ sincere smile

What did the teacher say just now—Sorry, I didn’t catch it. I _________ something else.

You need to take your job _____ if you want to keep it

What I’m interested in is radios and telephones, so I’d like to study __________ Engineering during my four years in university.

.The public ______ generous in theircontributions to the earthquake victims.