How many years does the Rhus generally grow before it is cut for lacquer? A: 3 years B: 4 years C: 8years

Amblyopia should be treated by the age of ( ) A: 0–7 years B: 8–15 years C: 8–10 years D: No age limit for treatment

How many years does a decade consist of? A: 15 years B: 10 years C: 8 years D: 100 years

I have been married for 8 years.I _______ 8 years ______ .

Mary is _________ girl. A: an 8—year—old B: 8一years—old C: the 8 years old D: an 8一year old

For how long had Mr. Smith been taking money A: 2 years B: 12 years C: 5 years D: 8 years

When you are considering colleges, you usually have already studied for______. A: 8 years B: 10 years C: 9 years D: 12 years

By 2020, how many consecutive years has Perth Group held China's "Yangtze River Piano Music Festival"? A: 6 years B: 7 years C: 8 years D: 9 years

Becky________girl, wants to be a reporter. A: a 8-year-old B: a 8-years-old C: an 8-year-old D: an 8 years old

Mary is 12 years old. Two years ago, she was twice as her brother Jack. How old is Jack now? A: 5 B: 6 C: 7 D: 8