Although he is only a _____ boy. He knows a lot.
| A.five year old |
| B.five-year-old |
| C.five-years-old |
| D.five-year-olds |
We all know that paper burns in _________ .
| A.CO2 | B.N2 | C. O2 | D.CO |
---- You like to surf the Internet. Do you know the meaning of “WWW”?
---- Of course. It means _______.
| A.World Wide Work | B.Whole World Weather |
| C.World Wide Web | D.Whole World Warm |
There is _________ swimming pool in front of Jhon's house.
| A.an 80- metres-long |
| B.a 80- metre-long |
| C.80 metres long |
| D.an 80- metre – long |
_____should not be allowed to go out at night.
| A.Twelve-year-old | B.Twelve-year-olds |
| C.Twelve year old | D.Twelve years old |
If H2 burn in O2, we can get _____.
| A.H2 | B.H2O | C.O2 | D.H2O2 |
下面 组中的字母顺序前后是正确的。
| A.KJI | B.GHI | C.NLM | D.CBA |
Which of the following is a Chinese festival?
| A.Christmas | B.Halloween |
| C.Mid-Autumn Festival | D.Thanksgiving Day |