Complete the sentences

1. (How do helicopters fly?)

   Do you know [ ]?

2. (Where does Michael live?)

   I don't know [ ].

3. (What did grandma say?)

   Do you remember [ ]?

4. (Why did the guests go home early?)

   I don't know [ ].

5. (What time does the office meeting begin?)

   Do you know [ ]?

6. (How did the car crash happen?)

   I don't remember [ ].