It might have_______ your notice but I am very busy at the moment.
Though flu is adisease,it can cause death.
A true friend is the one that is coming in the door whileelse is going out.
With the development of science,more new technologyto the fields of IT.
several times in the exam,John didnt have much confidence in himself.
—The problem wasn’t difficult for him,was it? —No,it wasn’t.Hea more difficult one.