Question

怎么做啊求帮忙😍😘😘😜😏😄

Answer 1

1. When   was    invented     was    invented

2. What  are   used to       are used  to as

3. Who   was  invented     was  invented by

4. did't appear  until 

5. no question

6. come cross
   

追答

1. When   was    invented     was    invented

2. What  are   used to       are used  to as

3. Who   was  invented     was  invented by

4. did't appear  until 

5. no question

6. come cross