(2013·湖南，34)—I don't understand why you didn't go to the lecture yesterday afternoon.
—I'm so sorry.But I________my homework.
A．had done B．was doing C．would do D．am doing
(2013·湖南，26)If nothing________，the oceans will turn into fish deserts.
A．does B．had been done
C．will do D．is done
(2013·湖南，22)“What do you want to be？”asked Mrs.Crawford.“Oh, I________president，”said the boy, with a smile.
A．have been B．am
C．was D．will be
(2013·北京，32)—So what is the procedure?
—All the applicants ________ before a final decision is made by the authority.
A．interview B．are interviewing
C．are interviewed D．are being interviewed
(2013·北京，28)Hurry up! Mark and Carl ________ us.
A．expect B．are expecting
C．have expected D．will expect
(2013·福建，26)The girl has a great interest in sport and ________ badminton classes twice a week over the last three years.
A．took B．is taking
C．takes D．has been taking
