Progress so far has been very good . _______ ,we are sure that the project will becompleted on time.

Tony can’t have received the invitation. ________, he would have attended your birthday party yesterday.

. Bob is____ honest boy, and he won’t tell lies.

History is the best teacher. It _______records the development path of each country and foretells the future to us.

I can spare you only a few minutes. Just tell me ____what happened.