II)

1. invited 

If 2: If + QKĐ, S + would / could + V1 

2. helped 

3. go 

can + V1: có thể làm gì 

4. don't start

if 1: If + HTĐ, S + will / can/shall + V1 

III)

1. D (will be --> would be)

2. C (when --> where)

N (nơi chốn) + where + S + V 

3. B (isn't--> weren't)

4. B (who --> which)

N (vật) + which + V / S +V 

Part C:

1. 1. Lan Co Beach is situated in Central Vietnam.

Dẫn chứng: Dòng 1

2. It has become an official member of the World's most beautiful bays club.

Dẫn chứng: Dòng 2

3. Lang Co has almost everything that the nature .. offer: green mountains and tropical forests, smooth white sand, full of sunshine and cool, blue and clear sea as crystal, and the average temperature of 25C in summer.

Dẫn chứng: Dòng 4,5,6

4. Yes, it is.

Dẫn chứng: Dòng 7,8

Part D:

1. I moved to a new school where English is taught by native teachers.

N (nơi chốn) + where + V/  S + V 

2. English has borrowed many words which come from other languages.

N (vật) + which + V / S +V 

3. If Peter didn't have a lot of homework now, he could go to the party,

If 2: If + QKD, S  + would / could + V1

4. If the weather were good today, they children could go camping.

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