giúp mình với 63. My suitcase is _____ than I expected, so I might have to pay extra.,A. heavy B. as heavy C. heavier D. the heaviest,64. The neighbourhood feels _____ than the previous area because there are more parks and green spaces.,A. more peaceful B. most peaceful C. as peaceful D. the more peaceful,65. Which flat has _____ rooms in the entire building?,A. the few B. the fewer C. the fewest D. the least,66. Ho Chi Minh City aims to become as _____ other major Southeast Asian hubs in attracting high-tech,investment.,A. competitive than B. competitive as C. most competitive D. more competitive,67. This is _____ room in the house because it uses recycled materials and natural light.,A. the most comfortable B. comfortably C. the more comfortable D. most comfortably,68. Online lessons are sometimes _____ than face-to-face classes.,A. most effective B. less effective C. much effective D. as effective,69. He answered the questions with _____ confidence as his senior colleagues.,A. more B. the most C. as much D. so much,70. I think this mansion is _____ I have ever seen in this area.,A. the better B. better C. best D. the best,WRITING (15)

Question

Accepted Answer

My suitcase is heavier than I expected, so I might have to pay extra.

C. heavier (Comparative form, used with "than")

The neighbourhood feels more peaceful than the previous area because there are more parks and green spaces.

A. more peaceful (Comparative form, used with "than")

Which flat has the fewest rooms in the entire building?

C. the fewest (Superlative form of few, used for count nouns like 'rooms')

Ho Chi Minh City aims to become as competitive as other major Southeast Asian hubs in attracting high-tech investment.

B. competitive as (Comparison of equality: as + adjective + as)

This is the most comfortable room in the house because it uses recycled materials and natural light.

A. the most comfortable (Superlative form, indicating the highest degree among all rooms)

Online lessons are sometimes less effective than face-to-face classes.

B. less effective (Comparative form, used with "than")

He answered the questions with as much confidence as his senior colleagues.

C. as much (Comparison of equality for an uncountable noun 'confidence': as much + noun + as)

I think this mansion is the best I have ever seen in this area.

D. the best (Superlative form, indicating the highest degree among all mansions seen)