5/C. would speak 
6/B. carnivores 

7, D.play
8. D. danger
9.B. were  
10. A.valuable 
11.  B. unexpected        
12. C . babies      

13, D. in 
14.   A. on         
15. C. gulfs 
16,     A. power           

xin hay nhất ạ

5. If you learnt  more practise, you_____________________ English  better.
A. speak  B.spoke              C. would speak  D. would have spoken
6. Sperm whales are_________________, which mean they eat meat.
A. herbivores  B. carnivores  C. mammals  D.omnivores
7. Trees, grasses and other plants life_______ an important part in the natural circulation of water.
A. make  B.have               C. get               D.play
8. Tigers all over the world are in _________________ .
A. death  B. threat               C.risk               D. danger
9. If I  _____________________  you, I would study Maths very much.
A. was   B. were  C. am              D.had been
10. The book provides_______________ information on wildlife.
A.valuable  B.value      C. valuation  D.vualuables
11. We had an accidental meeting with an old friend at the party last night.
             A. unpleasant              B. unexpected            C. unlucky         D. unacceptable
12. How many offspring does a sperm whale usually have?
             A. eggs            B. mammals               C. babies         D. diets
13.Sperm whale populations are ___________ risk due to hunting.
             A. of             B. to        C. at    D. in 
14. They hate being dependent _________ their parents.
             A. on             B. of        C. in    D. at
15. Parts of oceans are seas, bays and_____________.
             A. ground            B. valleys   C. gulfs   D. volcanoes.
16. A large hydroelectric __________was built on the River Danube
             A. power                   B. dam                        C. bank                               D. wall