Question

Fill in the blanks

Antioxidants were first cast into doubt ……….a………. (during / from / since) a

major clinical trial in the US, in ………….b………… (which/ what / that) a very

common antioxidant, beta carotene, ………c……….. (was / were / is / are) tested

for ………….d………….. (its / it’s / their / theirs) efficacy against lung cancer in

high-risk subjects. ………e………… (To / For / With) the surprise and concern of

the scientists ………f……… (those / that / which / whose) individuals taking the

supplement ……….g………… (intend / intented / intended) to reduce the risk of

cancer were ………….h…………… (on / at / with) a significantly higher risk

…………….i………….. (for / of / to) developing lung cancer.
​

Answer 1

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• During
• Which
• Were
• It's
• With
• Those
• Intended
• At
• Of

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Answer 2

Answer:

1. during

2. which

3. was

4. it's

5. To

6. those

7. intended

8. at

9. of

Passage:

Antioxidants were first cast into doubt during a major clinical trial in the US in which a very common antioxidant beta carotene was tested for its efficiency against lung cancer in high risk subjects. To the surprise and concern of the scientist those individuals taking the supplement intended to reduce the risk of Cancer were at a significantly higher risk of developing lung cancer.

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