I phoned you at about three this afternoon, but no one answered.— Oh, that was probably _______ I was doing exercise outdoors

Are the new rules working -Yes, _______ books are stolen.

When was the People’s Liberation Army’s Navy founded? —–It ____the April of 1949.

The sports meeting ________ twice a year inour school.

How can I apply for an online course?—Just fill out this form and we ____ what we can do for you.