I. Find and correct the mistakes...dấu gạch chân mik thay bằng dấu ngoặc kép với đơn ý. CÓ HƠI KHÓ NHÌN NÊN THÔNG CẢM NHA. AI LÀM HẾT CHO 5* 1.The friend( 'to who') I want( 'to') introduce you is away(' this ') weekend 2. Mary( told to) her friends what she(' would') never walk( alone) in the forest after( 'dark') 3. She ( refused) ( to tell') us(' why)( was she') absent 4. i don't (have)( many) money( 'as') the( 'other') students 5. It was nice( of )( him)( to) let me (to borrow) money 6.( A number of ) large insurance ('companies') have ('its') headquarter ('in') Hartford. 7.' There' are (thousand) of( different )types (of )roses. 8.A person (must be) at( least) thirsty years (age) in order to( serve as)a senator 9) The (most small) vessel (in) the circulatory (system) are capillaries 10) The( most important) period of physical (growth) in human( occurred) during( their ) first two years 11)( The first ) bicycle race( on record) in the United States( taken )place' in '1883 12)( Even though) she( looks) very young, she is twice older( than my twenty-year-old) sister. 13) As 'a' young (man), George Washington( liked) boating,( to hunt) , and fishing 14) Computers are (often used) to control,( adjustment )and (correct) complex( industrial) operation 15) ( Modern) motorcycles are( lighter), faster( and specialized) than( motorcycles) of twenty-five-years ago 16) The Sahara desert in Africa is( by far )the (most large) desert in the world, covering an area( nearly as big as )the United States 17) Pork( provides) people( with) important nutrients (which) they need( them) 18) Many( people)( has) complained (about) the polluted river 19) Three of (the players )in our club( has) been chosen to takes part( in )the match 20) If Kennedy( would have lived)( a little) longer,( he )would have( won) the election 21. Because their financial problems; they couldn’t send their children to better school 22.(It ) was very kind of( him) ( helping) me( with) the housework. 23. He( still) went( swimming)( despite )of (the) heavy rain. 24.His father( said) if he( is) free (at )weekends, he would go( fishing) with me II. Rearrange the words /phrases to make complete sentences 1. communicate/ who/cannot/hear/People/or/ speak/ often/ using/signs 2. outer space/ The/in/technology/ allow/ developments/ astronomers/to/more/ know/ about 3. Bell/ great/was/ a/ invented/ scientist/who / the/ telephone 4. said/she/university/ chose/ She/ to/ work/ for/ one/ before/year/entering 5. He/ environment/ me/what / the/ asked/ conservatinists / done/ so/far/to/had/protect/our 6.A/mobile/ can/phone/be/harmful/to/radiation/ users/ due to/its 7. holography/ said that/ Lan/ interact/ would help us/ in real time 8. aliens/ wanted to know/ Dean/ could communicate/ if / verybad 9. Mark asked/ aliens /if/could/others' happiness and fear/smell 10. Tom/inhabitants/ might travel/ thought/ Venus/by buggy