Tenses Worksheet For Class 8 | Gap Filling

Fill in the blanks with an appropriate verb form.

Tenses worksheet for class 8

A team of Kolkata scientists …………………………. (come / came / have come) up with a homegrown remedy against thalassaemia, a condition in which red blood cells ……………………… (degenerate / degenerates / degenerated). The wheat extract they developed ………………………. (slows / slowed / have slowed) down degeneration of red blood cells, reduces the need for blood transfusion and thereby increases longevity. The finding ………………………… (has published / has been published / published) in American journal of Haematology, and doctors ……………………… (hailed / has hailed / have hailed) it as a significant breakthrough against a disease without cure. People with thalassaemia …………………………… (do not / did not / would not) produce enough hemoglobin; red blood cells die out quickly and the patient ……………………………. (needs / is needing / has needed) frequent blood transfusions.

Answers

A team of Kolkata scientists have come up with a homegrown remedy against thalassaemia, a condition in which red blood cells degenerate. The wheat extract they developed slows down degeneration of red blood cells, reduces the need for blood transfusion and thereby increases longevity. The finding has been published in American journal of Haematology, and doctors have hailed it as a significant breakthrough against a disease without cure. People with thalassaemia do not produce enough hemoglobin; red blood cells die out quickly and the patient needs frequent blood transfusions.

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