Noun Clauses with Yes No questions and Do you know

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Change the following sentences into noun clauses. Begin each sentence with the words, "Do you know...if (whether)"

Example
1. Are Nelly and Nadezda going to join us for dinner? Do you know if Nelly and Nadezda are going to join us for dinner?

2. Did Salwa's interview with the software company go well?

3. Will Bizunesh take classes in the Fall?

4. Has Tigist or DeQing been to the Golden Gate Bridge?

5. Are Beletch and Sohad going to Sea Fair this weekend?

6. Should Elena sell her old computer and buy a new one?

7. Can De's daughter go to Seafair to see the Blue Angels?

8. Did Frea get her computer repaired?

9. Does HongThi know how to use the Internet for research?

10. Has Wenyi ever taken a class online?