Tham khảo:

https://hoc24.vn/cau-hoi/cho-dang-dung-cua-dong-tu-trong-ngoac1-he-is-engrossed-in-doingscience-research2-oil-spills-are-a-greatthreaten.180018949294

Còn câu 4 là dangerous 

III. Supply the correct forms of the words in brackets.

1. He is engrossed in doing (science) ………scientific …….. research.

2. Oil spills are a great (threaten) …………threat………………… to the undersea world.  

3. He wants (width) ………widen……… his knowledge of the subject.

4. The giant panda is a(n)  (danger)) ………dangerous……..species.

5. You may be surprised at the large (varied) …………variety…..of animals in national parks

1 scicetific

2 threat

3 widen

4 dangerous

5 variety

Cho dạng đúng của động từ trong ngoặc:

1. He is engrossed in doing(science)..scientific.............. research.

2. Oil spills are a great(threaten)......threat............ to the undersea world.

3. He wants(width)...widen............. his knowledge of the subject.

4. You may be surprised at the large(varied).....variety............. of animals in national parks.

1 scientific

2 conservation

3 please

4 disobedient

5 handful

6 dependent 

7 referable

8 courageous

9 surprisingly

10 Sportmanship

II. Fill in each blank with the correct form of the word in brackets. (5 pts)

1.      We are very interested in doing (SCIENCE)scientific research.                                                                                                                

2.      The whole world talk about the (CONSERVE) conservation of energy these days.

3.      He is hard to (PLEASANT)please.

4.      Tom was punished yesterday because he was very (OBEY)disobedient in class.

5.      The boy took a (HAND) handful of candies and ran away.

6.      I am still (DEPEND) dependent on my parents because I haven’t got a job.

7.      There are not many (REFER)reference books in our library.

8.      The men were very (COURAGE) courageous

 in the battle.

9.      Things are (SURPRISE)surprisingly cheap in this market.

(SPORT)sportmanship  is the spirit of all Olympic Games. 

1 delivery

2 explaining

3 activity

4 sunny

5 frightening

6 friendly

7 solution

8 carefully

9 arrangement

10 skillful

1 deliveries

2 explanation

3 activities

4 sunny

5 frightening

6 friendly

7 solution

8 carefully / carelessly

9 arrangement

10 skilled

1. deliveries
2. explanation
3. activities
4. sunny
5. frightening
6. friendly
7. solution
8. carefully
9. arrangement
10. skillful 

Use the correct word form of the word given in each sentence.

1.He was the pride of the school after winning the contest.(pround)

2.Disneyland is one of the famous areas of entertainment (entertain)

3.he had no explanationfor his absence.(explain)

4.We live in a rather rich neighborhood (neighbor).

5.Telavision is very popular nowadays.(popularize)

1. He was the pride of the school after winning the contest. (proud)

2. Disneyland is one of the famous areas of entertainment . (entertain)

3. He had no explaination. for his absence. (explain)

4. We live in a rather rich neighborhood . (neighbor)

5. Television is very popular nowadays. (popularity)

1. permission

2. daily

3. homeless

I/Write the correct tense or form of the verbs in brackets:

1/ He (work)..has worked....in that company since he (graduate)....graduated....from the University.

2/ I promise I (try).....will try...it again.

3/ Don't (go)...go..out without a hat.

4/ They dislike (walk)...walking.....in the rain.

II/ Write meaningful sentences using word cues:

1.I / exercise / daily / because / I/ want / stay / healthy.

=> i do exercise daily because i want to stay healthy

2.He / enjoy / play / sports / his free time.

=> he enjoys playing sports in his free time

3.How / eggs / she / need / make / ten pancake?

=> how many eggs does she need to make ten pancake?

4.There / not / milk / bottle.

=> there isn't any milk in the bottle

I/Write the correct tense or form of the verbs in brackets:

1/ He (work)...has worked...in that company since he (graduate)....graduated....from the University.

2/ I promise I (try)...will try.....it again.

3/ Don't (go)..go...out without a hat.

4/ They dislike (walk)....walking....in the rain.

II/ Write meaningful sentences using word cues:

1.I / exercise / daily / because / I/ want / stay / healthy.

-> I do exercise daily because I want to stay healthy.

2.He / enjoy / play / sports / his free time.

-> He enjoys playing sports in his free time.

3.How / eggs / she / need / make / ten pancake?

-> How many eggs does she need to make ten pancakes?

4.There / not / milk / bottle.

-> There isn't any milk in the bottle.