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.
$#thuyylinhh$
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