1. B - however nhấn âm 2, còn lại nhấn âm 1

2. D - class phát âm /a/, còn lại phát âm /æ/

3. A

4. D - adolescent: thanh niên

--

1. If Peter doesn't eat so many chips, he won't fat.

2. If he learnt all his lessons, he wouldn't get bad marks.

--

1. By whom was this machine invented?
2. My father's suitcase had been carried by him. (?)

- $Answered_{}$ $by_{}$ $thieukhue_{}$ -

1. B however 

2. D class 

3. A

4. Dadolescent

1. If Peter doesn't eat so many chips, he won't fat

2. If he learnt all his lessons, he wouldn't get bad marks

1. By whom was this machine invented
2. My father's suitcase had been carried by him

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