11. They are trying to persuade the rich to___ their money to the charities. A. provide B. invest C. finance D. contribute 12. A____ is a spacecraft that is designed to travel into space and back to earth several times. A. plane B. corporation C.telecommunication D. shuttle 13. There will be a powerful network of computers which may come from a single computing_____that is worn on or in the body. A. device B. machinery C. equipment D. vehicle 14. Starting school may be a(n)____ experience for many children. A. thorough B advanced C. daunting D.social 15. Although they are not rich, their children are always___ dressed. A. neat B. neatly C. untidy D. untidily 16. When are you leaving___ Singapore? This week or next week? A. for B. in C. to D. at 17. The doctor will not give the patient the test results___ tomorrow. A. until B. from C. at D. on 18. I don't understand this point. Could you please___ ! A. explain to me it B. explain me with it C.explain it to me D.explain it for me 19. That house reminds me___the one where I used to live. A. of B.for C.about D.with 20. It was very kind____you to lend me the money I needed. A.for B.of C.to D.with