--- Good afternoon! By the way, has Billy finished his homework today?
--- I have no idea. He ___ it this morning.
A.was doing B.has been doing C.has done D.had done
With more forests being destroyed, huge quantities of good land ______ each year.
A. is washing away B. are washing away
C. is being washed away D. are being washed away
A lot of new wooden furniture, as well as some latest household appliances, ________ by the Smiths for their new house a week ago.
A.has been bought B.have been bought
C.was bought D.were bought
A brief history of time, written by Stephen Hawking,________ in 1988 and has been translated into more than 40 languages ever since.
A.published B.is published
C.was published D.has been published
The teacher told us the other day that light ______ faster than sound.
A. travelled B. is travelling
C. travels D. had travelled
—Ron, I congratulate you on your success.
—Thanks, but the honor _____ to all the people here.
A.is belonged B.belongs
C.is belonging D.belonged
