About60percentofthestudents_____fromthesouth,therestofthem_____fromthenorthandforeigncountries
A. are: is
B. are:are
C. is:are
D. are:am
查看答案
Halfoftheworkershere_____under30_____.
A. is:years
B. are;yearold
C. is;yearsold
D. are;yearsold
Theaudience_____solargethatnoseatwasleftunoccupiedinthegreathall
A. is
B. are
C. was
D. has
Thesecretaryandprincipal_____atthemeetingnow
A. arespeaking
B. isSpeaking
C. weremakingaspeech
D. haveaspeech
Threefourthsofthebread_____byBob,andtherestofthebread_____leftonthetable.
A. waseaten:were
B. wereeaten;was
C. wereeaten:were
D. waseaten:was