Trả lời: 5. A ________ is a small computer that we can carry to work or school easily.A. smartphone B. laptop C. hardware D. software6. Many inventions are a result of careful________.A....
Trả lời: 19. Be ______ when you cross the road. It is dangerous.A. care B. caring C. careful D. careless20. The story was very ______.A. interest ...
Trả lời: 24. Have you finished to type the letter? A B C D--> C. typing25. Ms Lan has been a teacher...