I don ' t know .
A.where she comes from
B. how old is she
C. When was she born
Cars， buses and bikes stop when traffic lights change to red．（ ）
A．mayB．needC．canD．must
These machines cut grass．（ ）
A．are used to．B．use to
C．are used forD．use for
Do you know the boy is drawing a picture over there？（ ）
A．whomB．whatC．whoseD．who
﹣ It's hot today， isn't it？
﹣Yes，it is．Why not your jacket？（ ）
A．take careB．take offC．take placeD．take after
I think English is as ________as Chinese．（ ）
A．interestedB．more interesting
C．interestingD．more interested