l'll never forgive you ---- what you said last night.

l'll never forgive you ____ what you said last night.
A./ B.on C.to D.for
选 D.用 for 表原因.
Half of the class_____done most of the work.The left _____ rather difficult.
A.have,is B.has,is C.have,are D.has,are
选 A.“班上一半的学生”显然为复数,第一空用 have；“剩下的工作”显然为单数（因为work不可数）,故选 is.