---He is an honest person ， so what he said is _______.
A， knowledgeable B， valuable
C， comfortable D， believable
Sam’s parents workers in that hotel.
A. isB. am C. are
I’m from Inner Mongolia; I can a horse very well.
A. ride B. play C. work
Betty is from America, she can speak English she can’t speak Chinese.
A. and B. soC. but
David’s father is a doctor Beijing International Hospital.
A. inB. atC. on
My mother is English teacher
A. aB. anC. the