IV . give the correct form or tense of verbs. 3. the researchers said that they ( work)=–..hard( find)-…a vaccine for the Ebola

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IV . give the correct form or tense of verbs.
3. the researchers said that they ( work)………………….hard( find)…….a vaccine for the Ebola vius disease then.
4. the new technology rapidly ( introduce)……………………………. into teaching and learning languages so far.
5. Do you think snail email still (use)…………………………….in 2050?

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  1. 3. the researchers said that they were working hard to find a vaccine for the Ebola virus disease then.

    4. the new technology rapidly introduced into teaching and learning languages so far.

    5. Do you think snail email will still be used in 2050?

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  2. IV . Give the correct form or tense of verbs.

    3. The researchers said that they ( work)were working hard( find)to find a vaccine for the Ebola vius disease then.

    4. The new technology rapidly ( introduce) introduced into teaching and learning languages so far.

    5. Do you think snail email will still (use) be used in 2050?

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