Complete the conversation with expressions of certainty or uncertainty.More than one answer is possible. Jerry OK. Only three more. Who is Elena Ochoa? Tanya I'm __ , but I think she was a scientist. Jerry Hmm __ That doesn't fit. It starts with an A __ I know, she was an astronaut! Tanya Are you sure? Jerry Yes. __ 10K. This one's difficult Who was Ejji Sawamura? 2 Tanya __ , but I think he was a soccer player. completely No, wait, he was a baseball player! __ Jerry You're right.Thanks!

## Step 1<br />The first blank in the conversation is Tanya's response to Jerry's question about Elena Ochoa. Tanya is not sure about the identity of Elena Ochoa, but she thinks she was a scientist. The phrase "I'm not sure" is used to express uncertainty.<br /><br />## Step 2<br />The second blank is Jerry's response to Tanya's statement. Jerry is not sure about the identity of Elena Ochoa, but he thinks she was an astronaut. The phrase "I'm not sure" is used to express uncertainty.<br /><br />## Step 3<br />The third blank is Jerry's response to Tanya's question about Ejji Sawamura. Jerry is not sure about the identity of Ejji Sawamura, but he thinks he was a soccer player. The phrase "I'm not sure" is used to express uncertainty.<br /><br />## Step 4<br />The fourth blank is Jerry's response to Tanya's correction about Ejji Sawamura being a baseball player. Jerry is sure about the identity of Ejji Sawamura, and he thanks Tanya for correcting him. The phrase "I'm sure" is used to express certainty.