Oh,the room is too dirty,Tony!
Sorry,Mom.It yesterday.I forgot to do it.( )
A.didn't cleanB.isn't cleaned
C.was cleanedD.wasn't cleaned
Making paper bottles?Wow, great idea!
Thank you,We may use less plastic in this way.( )
A.howB.whatC.what anD.what a
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