46. Electronic devices will become effective when you use them appropriately.(which)
- Electronic devices ......................................................
47. It is impossible that you use smartphone for your study very often.
- Smartphone..........................................
48. She is a more fluent English speaker than his brother
- She speaks........................................................
49. I always trust Carla/s advice (whose)
- Clarla is ............................................
Loga
Sinh Học lớp 12
