—Why are you so sleepy?
—We ________ to finish the work on time, so we went to bed too late.
A.asked B.were asked C.was asked D.had been asked
You may do it by yourself, ________ ask someone else for help.
A.but B.and C.so D.or
About ________ of the land ________ covered with trees and grass.
A.three fifth; are B.three fifths; are C.three fifths; is D.third five; is
Remember to keep in touch with your teachers and classmates ________ graduation.
A.when B.before C.during D.after
Jason likes ______ shape of the cake. It is ______ heart.
A.the; a B.a; the C.the; the D.a; a
It was so quiet in the room. ________, I heard a strong sound from outside.
A.Finally B.Suddenly C.Secondly D.Luckily