We don’t have enough nurses to look after the patients. At least _____ are needed.
Sam’s parents workers in that hotel.A. is B. 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. so C. but
David’s father is a doctor Beijing International Hospital.A. in B. at C. on
My mother is English teacherA. a B. an C. the