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doanthuydo
2 năm trước
Một hộp đựng 9 thẻ được đánh số từ 1 đến 9. Có bao nhiêu cách chọn hai thẻ sao cho tích hai số trên hai thẻ là số chẵn?
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mik đang cần gấp ạ!!!!! mng giúp mik với , hứa vote 5* +cảm ơn II. Put the verbs in the brackets into the correct form 1. The ice was thick enough for us (walk) _______________ on. 2. Last year, we had an opportunity (play) _______________ for the school team. 3. He has the capability of (do) _____________ this job well. 4. Hunger and poverty are worldwide problems to which solutions (must/ find) _______________. 5. People who fear flying avoid (travel) _______________ by plane. 6. We were just about (leave) _______________ when Jerry arrived. 7. He had three tries at (mend) _______________ the lock and gave up. 8. She was watched (eat) _______________ the sandwich. 9. We are considering (go) _______________ for a holiday. 10. He fancies (hear) _______________ footsteps behind him. 11. It took me three hours (finish) ________________ our test. 12. They are thinking of (import) ________________ flowers from Viet Nam. 13. He is practising (throw) ________________ the ball into the net. 14. The goalkeeper just missed (stop) ________________ the ball. 15. This bread is too stale (eat) _________________.

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