—Dad forgot to mail the letter again.— ______. Mum is always complaining about his declining memory.
He got well-prepared for the job interview, for he couldn’t risk the good opportunity______.
_____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.