Bài 1: 1. They’ll explain ……………… you need to know to complete your report. A. what B. that C. which D. how 2. ………………… student in the class whose surname begins with a vowel, please stand up. A. Each of B. Every C. All D. A few 3. A recent survey has shown that ……………… increasing number of people are willing to travel abroad on their holidays. A. a B. an C. the D. some 4. In the wake of increasing food poisoning, many consumers have turned to vegetables ………… organically. A. that grown B. grown C. which grows D. are grown 5. This is the medical encyclopedia ……………… I refer in my research. A. which B. what C. where D. to which 6. Don’t keep him ……………… at the door. A. stand B. standing C. to stand D. not to stand 7. Don’t forget ……………… the door before ……………… to bed. A. to lock – going B. locking - to go C. to lock - to go D. locking - going 8. I tried ……………… my eves open but I couldn’t. A. to keep B. keeping C. keep D. kept 9. Have you ever considered ……………… to live in another country? A. going B. to go C. for going D. go 10. I now regret ………………… him my secret. A. to tell B. tell C. telling D. to have told Bài 2: 1. The bank has more than 100 branches, ……………… in a major urban area. A. the location of which B. each locating C. each of which is located D. and are located 2. Students are encouraged to develop critical thinking .…………...… accepting opinions without questioning them. A. in addition B. for instance C. instead of D. because of 3. Anyone can apply to be trained as an astronaut …………… they have a bachelor's degree in science, mathematics and engineering. A. as if B. as C. as long as D. as well as 4. Jupiter is the largest planet in our solar system ………………… more gravity than the Earth. A. has B. to have C. having had D. that has 5. Saturn is the only planet …………… beautiful rings can be seen from the Erath with a telescope. A. with B. of C. which has D. whose 6. I was offered lamb or chicken, ………………… I like. A. neither of that B. neither of which C. of that neither D. of which neither 7. More than 80 people came to the exhibition, many of ……………… children had pictures on the walls. A. who B. them C. whose D. whom 8. We could visit quite a lot of places of interest on our tour to South America, ………………… was so wonderful. A. which B. that C. it D. so that it 9. The person ………………… more than anyone else is my Uncle Geoffrey. A. whose I look up to B. to whom I look C. I look up to D. whom I look up 10. ………………… informed in advance of the upcoming meeting, she didn't make any preparation for it. A. Despite B. No matter C. Though D. While