—Listen ! Helen is singing in the next room.
—It __________ be Helen. She is in Tianjin now.
| A．can’t | B．mustn’t | C．may not | D．shouldn’t |
Qingdao is a good place for summer vacation. My father ___________ there several times.
| A．has gone to | B．have gone | C．have been to | D．has been |
Remember to wash your hands __________ you have meals.
| A．before | B．until | C．though | D．unless |
Could you please give me some ___________? I’m hungry.
| A．apple | B．egg | C．bread | D．water |
Tom and Jenny are in the same school. And _________ like sports very much.
| A．they | B．them | C．their | D．theirs |
—Lingling, do you know ___________ woman in white?
—Yes, she is __________ nurse in Children’s Hospital.
| A．a, a | B．the, the | C．a, the | D．the, a |