The policemen searched the room thoroughly. That’s to say, they searched it ______.
_____from lightweight materials,the robots are about the size of a human arm or smaller.
The fact that smoking is harmful to health is____most smokers are quite aware of.
An example of them is fraud, a crime _______ money is stolen by cheating others.
Dr. Frank failed many times but he finally _____ to find a successful way to solve the problem.
---Where have you been? ---I got caught in traffic, otherwise I _______ here earlier.