My father was reading a newspaper while my mother ______dinner.
These are _______ cups. _______ are over there.
--- _______city is the capital of China?---Beijing is .
- ______ is Sam? - I think he is at Tina’s home.A. Who B. How C. Where
Mr Green has three _______: Jim, Jeff and Jean.A. sons B. children C. daughters
I want _______a pen _______$4.A. to buy; for B. to buy; in C. buy ; in