【用所给动词的适当形式填空。1.What_____you_____(do)whiletheothers_____(clean)theclassroom?2.Atthemoment,who_____(help)dadinthegarden?3.Mr.Brown_____(be)asoldiersince1984.4.Nobody_____(finish)theho】

　　用所给动词的适当形式填空。1.What_____you_____(do)whiletheothers_____(clean)theclassroom?

　　2.Atthemoment,who_____(help)dadinthegarden?

　　3.Mr.Brown_____(be)asoldiersince1984.

　　4.Nobody_____(finish)thehomeworkyet.

　　5.Howlong_____you_____(study)inthisschool?

　　6.EverytimeI_____(want)tosleep,he_____(make)somenoiseandI_____

　　(be)angryatthat.

　　7.I_____(forget)tobringmyruler,soI_____(have)toborrowone.

　　8.Ifanybody_____(break)themodelplane,he_____(have)topayforit.

　　9.Michael_____(be)tothezootwicethismonth.

　　10.I_____never_____(see)azebrabefore.