8. Because we don't have a washing machine in my house, my mother has to ______ all the laundry by herself.
A. make B. do C. get D. clean
9. The International _______ Station is the biggest object which has ever flown in space
A. Air B. Space C. Gas D. Train 10. My grandmother has problems with her back, so she cannot ___________ heavy things. A. hold B. stand on C. lift D. put down 11. My dog pet is absolutely intelligent, she can ______ and follow what I say easily A. understand B. hear C. eat D. sit down 12. The security in my neighbourhood is not good at the moment; so, we are advised to have
19. Baymax is a doctor robot in the film "Big Hero 6" and he is very intelligent and friendly.
A. nice B. kind C. lovely D. unfriendly
20. New robots which are made recently are really intelligent and they can do many things to help people.
A. smart B. wise C. stupid D. bright