Ex 4:

1. I will visit an isalnd

2. I will take a lot of photos.

3. I will build a sandcastle on the beach.

4. I will go picnic

5. I will stay at home and watch TV.

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6. Will they take a trip boat around the islands?

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2. on -> in

3. visits -> visit

4. will go -> went

5. be -> do

Chúc bạn học tốt :3

Ex 4:

3. I will build a sandcastle on the beach.

5. I will stay at home and watch TV.

Ex 5:

3. A. Where

Ex 7: 

6. Will they take a boat trip aroud the islands?

Ex:

4. I'll go for a picnic.

⇒ will go ⇒ went.

5. What will you be in the evening?

⇒ What ⇒ Where.