I. Fill in the blanks with the given words.(Điền vào chỗ trống với các từ cho sẵn)

1. I really don't know what to say in my graduation speech.

2. We're ___not sure______ where to hang the painting.

3. Nguyen asked his teacher ___to start_________ the computer.

4. He wondered __when____ to tell that to her.

5. Lan can't decide __who to invite_________ to her birthday party.

II. Rewrite the sentences using "wh-word + to-infinitive".(Viết lại câu sử dụng "wh-word + to V")

1. I don't know what I should do. → I don’t know what to do

2. Could you tell me where I can find more information about this?

→I  don't know where to find more information about this

3. He's not sure when he should start the computer.

→He doesn't know when to start the computer

4. They wondered how they could deal with this problem.

→ They wondered how to deal with this problem

III, Complete the reported sentences using "wh-word + to-infinitive".(Hoàn thành câu gián tiếp sử dụng "wh-word + to V".)

1. "Should we call her now?" he asked.

=> He was not sure when to call her.

2. "Where should we park our bikes?" asked Peter and Mary.

=> Peter and Mary couldn't decide where to park their bikes

3. "How can I tell this news to my parents?" she wondered.

=> She wondered how to tell that news to her parents 

4. "Dad, when should I leave for the bus tomorrow?", he asked his father.

=> He asked his father when to leave for the bus the next day

5. "Who should I call for help?" she asked.

=> She had no idea who to call for help

I. Fill in the blanks with the given words.(Điền vào chỗ trống với các từ cho sẵn)

when to start     whether     who to invite      not sure      what to say

1. I really don't know  what to say  in my graduation speech.

2. We're  not sure  where to hang the painting.

3. Nguyen asked his teacher  when to start  the computer.

4. He wondered  whether  to tell that to her.

5. Lan can't decide  who to invite  to her birthday party.

II.rewrite the sentences using "wh-word+to-infinitive".(Viết lại câu sử dụng "wh-word+to V")

1. I don't know what I should do

⇒ I don't know what to do

2. Could you tell me where I can find more information about this?

⇒ Could you tell me where to find more information about this?

3. He's not sure when he should start the computer.

⇒  He isn't sure when to start the computer.

4. They wondered how they could deal with this problem.

⇒ They wondered how to deal with this problem.

III, Complete the reported sentences using "wh-word + to-infinitive".(Hoàn thành câu gián tiếp sử dụng "wh-word + to V".)

1. "Should we call her now?" he asked.

⇒ He was not sure whether to call her then.

2. "Where should we park our bikes?" asked Peter and Mary.

⇒ Peter and Mary couldn't decide where to park their bikes.

3. "How can I tell this news to my parents?" she wondered.

⇒ She wondered  how to tell that news to her parents.

4. "Dad, when should I leave for the bus tomorrow?", he asked his father. 

⇒ He asked his  father when to leave for the bus the next day.

5. "Who should I call for help?" she asked.

⇒ She had no idea  who to call for help.

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