Latihan Structure TOEFL Bagian 23

1. The city had its water supply ___ following the contamination report.

1. tested
2. testing
3. test
4. to test

2. The delay is attributed ___ unforeseen supply chain disruptions.

1. by
2. to
3. with
4. from

3. The vaccine is projected ___ widely available by early next year.

1. to have been
2. being
3. to be
4. to having been

4. The company had its license ___ after repeated violations were discovered.

1. to revoke
2. revoke
3. revoking
4. revoked

5. The results are widely considered ___ among the most significant in the field this decade.

1. to having
2. to have
3. to be
4. being

6. The report, the accuracy of ___ has been repeatedly questioned, remains the primary source cited.

1. which
2. whose
3. it
4. that

7. Researchers remain uncertain as to ___ the correlation reflects genuine causation.

1. if that
2. what
3. whether
4. that

8. The extent to ___ the policy succeeded remains a matter of debate.

1. what
2. which
3. whom
4. that

9. It remains unclear precisely ___ the decision was reached.

1. how
2. so
3. that
4. which

10. The professor whose research ___ funded by the grant will present the findings next week.

1. was
2. have been
3. were
4. is being