请检查英语作业!26.Neither the teacher nor the students __A_____ in

请检查英语作业!
26.Neither the teacher nor the students __A_____ in the experiment.
A.has succeeded B.have succeeded C.has achieved D.have achieved
27.A young women was coming toward me,____C____________.
A.had long and slim figure B.her figure is long and slim
C.her figure was long and slim D.her figure long and slim
28.Silver is the best conductor of electricity,copper C it closely.
A.followed B.to follow C.following D.being following
29.I will let Mr Black tell you ___B________.
A.what has happened to him
B.what had happened to him
C.that has happened to him
D.that had happened to him
30.He looked for the girl whose heart he knew,but ___A_____ face he didn’t.
A.her B.the C.whose D.his

应为BBCAC吧,我才高一水平