$\text{1.}$ She is certain. Her son will be accepted to a high school for the gifted.
-> She is certain that her son will be accepted to a high for the gifted
$\text{2.}$ My father is upset. My brother wants to drop out of high school.
-> My father is upset because my brother wants to drop out of high school.
$\text{3.}$ He is amazed. His colleagues celebrate his birthday in a fun way.
-> He is amazed that his colleagues celebrate his birthday in a fun way
$\text{4.}$ She was worried. Her father is surgery would be unsuccessful.
-> She was worried that her father’s surgery would be unsuccessful.
$\text{5.}$ The rain had finally stopped. We were relieved.
-> We were relieved that the rain had finally stopped.
$\text{6.}$ Hanoians can soon travel on the sky - train. They are very eager about that.
-> Hanoians are very eager that they can soon travel on the sky train.
$\text{7.}$ Michelles puppy has been acting strange lately. She is aware of it.
-> Michelle is aware that her puppy has been acting strange lately.
$\text{8.}$ His short story will win first place in the writing competition. He is confident about it.
-> He is confident that his short story will win first place in the writing competition.
$\text{9.}$ The weather for Tet turns out to be so nice. Everyone is pleased about it.
-> Everyone is pleased that the weather for Tet turns out to be so nice.
$\text{10.}$ Vietnam has so many magnificent natural wonders. I am amazed.
-> I am amazed that Vietnam has so many magnificent natural wonders
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Cấu trúc: S + be+ adjective + that + clause