1. Last month, the Youth Union a campaign to help students with disabilities. A. has launched B. launched C. was launched D. was launching 2. Lately, a gang of enterprising New Zealanders an incredible scheme to raise awareness of depression and mental health issues. A. has introduced B. had introduced C. introduced D. was introduced 3. The boy across the narrow canal in ten minutes to find himself out of danger several years ago. A. swum B. was swum C. swam D. had swam 4. I to help students at a special school twice since I finished grade 11. A. have volunteered C. was volunteering B. had volunteered D. volunteered 5. It is now over seventy years since Lindbergh across the Atlantic. A. has been flying B. flew C. had flown D. has flown 6. We won't go out before we the homework. A. finish B. will have finished C. will finish D. finished 7. Although he was on the whole very suspicious of the project, Mr Hung to cooperate. A. didn't promise B. promised C. has promised D. hasn't promised 8. Even though Susan was totally opposed to the project, she that it would increase job opportunities for the local people. A. had agreed B. agreed C. was agreed D. would agree. 9. When he ten years old, he the National Institute for the Blind in Paris. A. was/entered B. was/was entering C. was/was entered D. was/would enter 10. In the past ten years, he more than 100 bicycles to needy students in Central Vietnam. A. gave B. has given C. has been given D. has been giving 11. Nam the idea of giving sweaters and warm clothes to the poor just a couple of weeks ago, shortly after the beginning of the rainy season. A. came up with B. comes up with C. has come up with D. was coming up with 12. In the past, health care in some rural areas of this country by only a small number of doctors and nurses. A. is provided B. provided C. provides D. was provided 13. Neither Mike nor his brothers to school because their father teaches them at home. A. have never been B. has ever been C. have ever been D. ever went 14. Not until we the school for children with disabilities how they overcome difficulties. A. had visited/have we known B. visited/had we known C. visited/did we know D. have visited/did we know 15. Until now I more than 1000 stamps. A. collected B. collect C. am collecting D. have collected