Choose the best answer to complete these following sentences. 1. The people_______live in Vietnam speak Vietnamese. A. which    B. whom   C. who   D. when 2. Do you know the man_______you met yesterday? A. when   B. who   C. which  D. whose 3.She studies well_______she is busy. A. because   B. since   C. although   D. and 4. Is he an actor_______a singer? An actor. A, and   B. or   C. but   D. so 5. If you know where she lives, please let me _______ A. know   B. knew   C. known   D. to know 6. Thecar_______he has just bought is made in England. A. who     B. whom    C. which   D. whose 7. Neil Armstrong, _______walked on the moon, lived in the USA. A. which    B. whom   C. who   D. that 8. My parents didn’t allow me _______ , so I had to stay at home A. go    B. to go    C. going    D. gone 9. I want everybody to listen _______ . A. care    B. careful    C. careless   D. carefully 10. If we became rich, we would travel _______ theworld A. on    B. in    C. of        D. around