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baobaone2727
2 năm trước
tìm x để phân số sau nhận giá trị nguyên : x-2 / 2x+1
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1. My wedding ring..............of yellow and white gold. A)is made B)is making C)maked D)made 2. If your brother.................., he would come. A)invited B)were invited C)were inviting D)invite 3. References................... in the examination room. A)not are used B)is not used C)didn't use D)are not used 4. Mary.....................in Boston. A)are born B)were born C)was born D)born 5. My mother is going...................this house. A)sold B)to be sold C)to sold D)to sell 6. There's somebody behind us. I think we are............... A)being followed B)are followed C)follow D)following 7. Have you......................by a dog? A)bite B)ever been bit C)ever been bitten D)bit 8. The room is being.....................at the moment. A)was cleaned B)cleaned C)cleaning D)clean 9. The road to our village.....................widened next year. A)is B)will C)can D)will be 10. The old lady was..............exhausted after the long walk. A)very B)absolutely C)pretty D)fairly

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