问题

Mary, ______ girl, wants to be a doctor.
A:a 8-year-old
B:an 8-years-old
C:an 8-year-old
D:a 8 years old;
B:an 8-years-old
C:an 8-year-old
D:a 8 years old;
正确答案是:
同类题型
it rain heavily tomorrow, we would have to putoff the visit to the Forbidden City.
Can you tell me ____________ it is from here to the town—Yes, it’s fifteen minutes by bus.
Everyone in my family ________ a present at the Spring Festival.
It was decided to _____ the search when there was no hope of finding the missing girl alive.