=>
1. It's challenging to learn Korean.
2. She doesn't know how much to sell her camera.
3. My teacher refused to let me leave early.
4. Richard expects to do well.
5. What do you intend to do for the summer?
6. Liz agreed to go to the cinema with me.
7. Tina and Brian have decided to get married.
8. What do you want to do this evening?
9. Susan promised to be back at 6.
10. I offered to help Tom.

$\text{1. It's challenging to learn Korean.}$
$\text{2. She doesn't know how much to sell her camera.}$
$\text{3. My teacher refused to let me leave early.}$
$\text{4. Richard expects to do well.}$
$\text{5. What do you intend to do for the summer?}$
$\text{6. Liz agreed to go to the cinema with me.}$
$\text{7. Tina and Brian have decided to get married.}$
$\text{8. What do you want to do this evening?}$
$\text{9. Susan promised to be back at 6.}$
$\text{10. I offered to help Tom.}$