55._______ has been done.
A.nety—nine percents of the work B.Half of what he promised
C.Two-fifths of the articles D.Three quarter of the business
38.Mary as well as her sisters ______ Chinese in China.
A.are studying B.have studied C.studies D.study
39.The rich______ not always happy.
A.are B.is C.will D.may
40.______can be done ______done.
A.All,have been B.All that ,have been C.All has D.All that ,has been
34.The rest of the magazines ______ within half an ho*.
A.is sold out B.are sold out C.was sold out D.were sold out
35.There ______ a lot of sugar in the jar.
A.has B.have C.is D.are
37.Yesterday the League secretary and monitor ______ asked to make a speech at the meeting.
A.is B.was C.are D.were.