Revision 1

It is important to stay active and do exercise ________ to keep fit. (REGULAR)

Answer explanation

Sau Verb cần có 1 Adverb

If we do not sleep enough, we will find it difficult ________. (CONCENTRATE - Infinitive)

Answer explanation

Find it + ADJ + to Verb

People believe that young generations are becoming more and more ________. (CREATION)

Answer explanation

Tobe more and more + ADJ

Generation gaps often result from the differences in economic and ________ conditions among generations. (SOCIETY)

Answer explanation

Economic là adjective. Sau "and", cần có 1 ADJ đi kèm song song với từ "economic" đứng trước Noun "conditions"

Developing into a smart city requires modern ________ infrastructure like network operations and management. (TECHNOLOGY)

Answer explanation

Infrastructure là 1 noun. Đứng trước Noun cần 1 ADJ bổ trợ cho từ "modern"

One of the most essential requirements of a smart city is that it should develop ________.(SUSTAINABLE)

Answer explanation

Should + Verb + Adverb (bổ trợ cho V trong câu)

Some people worry about ________ in a smart city – people lose jobs because of smart robots and smart apps. (EMPLOY)

Answer explanation

Sau giới từ + Noun (Employ là Verb, chuyển sang Noun theo nghĩa positive/negative). Trong tình huống này cần có 1 Negative Noun vì dựa nghĩa "people lose jobs"

The construction workers started pulling down the old supermarket to build a shopping mall two days ago. (REWRITE THE SENTENCE USING PRESENT PERFECT)

Answer explanation

I am not allowed to disobey my parents’ orders. (REWRITE THE SENTENCE USING MUST)

It’s a good idea to deal with conflicts in a calm state. (REWRITE THE SENTENCE USING SHOULD)