I. Use the correct form of the word given to complete each sentence.
1. They were very _______________ about the operation. (doubt)
2. The vase is really _______________. You shouldn't sell it. (value)
3. He apologized to her for his _______________. (understand)
4. She has been working as a __________________ for 10 years. (reception)
II. Rewrite the following sentences without changing their meanings.
1. He started learning Korean when he was ten. He's still learning.
-> He has _______________________________________.
2. The post man was bitten by our dog.
-> Our dog ______________________________________.
3. "Let's go out for lunch," he said.
-> He suggested __________________________________.
4. Please stop complaining about the heat!
-> I wish ________________________________________.
II/
1.-> He has been learning Korean when he was ten
2.-> Our dog bit the post man
3.->He suggested going out for luch
4-> I wish you stopped complaining about the heat
I/ 1.doubtful
2.valuable
3.misunderstanding
4.receptionist
