1. The country is divided ………….nine regions. ( in / into / with / on ) 2. Scientists are investigating the mysteries which lie………..the ocean. ( in / on / below / beneath ) 3. These birds …………to the North Africa in winter. ( settle / go / relocate / migrate ) 4. What would tom do if he ………..the truth? ( would know / had known / knows / knew ) 5. If I were you, I …….this poor man. ( will help / would help / would have helped / helped ) 6. “I’m really tired.” “ ……..resting before we go out?” ( Let’s / Will we / Shall we / How about ) 7. A: ……..to stay the night ?” B: “ Oh, that’s very kind of you. ( Why don’t you / Let’s / Do you feel like / Would you like ) 8. The river has been polluted ……….toxic waste from local factories. ( with / from / in / of ) 9. Nearly 1,000 of the world’s bird species are …….with extinction. ( warned / known / saved / threatened) 10. Undersea life is very ……….. . ( fascinated / fascinating / being fascinated / being fascinating ) 11. Da nang is …….on Han River. ( lied / established / abandoned / located ) 12. New laws have been passed to ……….wildlife in this area. ( establish / conserve / produce / endanger ) 13. “What’s wrong with your stereo?” The needle needs ………. . ( to replace / replacing / to be replace / replace ) 14. These scientists are very proud …….their achievements. ( on / in / of / at ) 15. The staff are working at weekend ………..delay the project any further. ( so that not to / not to / so as not to / for not ) 16. Let’s go to the Riverton this weekend. “ Sounds like fun. ……….from here? ( How far is / How far it is / It’s how far / How far is it ) GIÚP EM BÀI NÀY VỚI Ạ!