Could you tell me____ so well?
Without the teacher's help, it was impossible for me to get the prize.( )
A.how did you do itB.when you did it
C.why did you do itD.how you did it
Laura,how often do your family take a trip?
Hmm, .( )
A.since last weekB.twice a month
C.for an hourD.ten days ago
I think our teacher.Mrs.Allen,knows everything.
I agree.Because she over 2,000 books.( )
A.readB.has readC.readsD.is reading
The 17﹣year﹣old high school student is trying to a robot which can think like a human.( )
A.discoverB.organizeC.inventD.achieve
Bill,does your sister have brown hair or red hair?
.She takes after my mother.( )
A.Yes,she doesB.No,she doesn't
C.Brown hairD.I don't know
If you are late for a moive,please walk in .( )
A.loudlyB.clearlyC.quietlyD.cheaply