Đáp án + Giải thích bước giải:

1. Michael's brother is not as fast as Michael

→ CT so sánh bằng: S + V + as + adj/adv + as + ...

2. No season is colder than winter

→ CT so sánh hơn: S + V + adj/adv - er + than + ...

3. Unless we try to save our sources of energy, they will soon run out

→  Unless + S + V (simple present), S + will/can/shall + V

4. Mike doesn't play chess as well as Barbara.

→ thì HTĐ: S + do/does (not) + Vs/es + ...

5. We haven't got enough glasses for everyone to drink.

→ thì HTHT: S + have/has + V2/ed + ...

1.  Michael's brother is not as fast as Michae 

cấu trúc: S + V + not + so/as + adj/adv + N/Pronoun

2. No season is colder than the winter

cấu trúc: S1 + S-adj + er/ S-adv- er + than + S2 + Axiliary V

3. Unless we try to save them, our sources of energy will soon run out

Unless=If not

4. Mike doesn't play chess as bad as Brbara

cấu trúc: S + V + not + so/as + adj/adv + N/Pronoun

5. We haven't got enough glasses for everyone