It’s very kind _____you to help me with my lessons. It is hard ____ me to learn them well .
Which of the following is right?
I am sorry it'smy power to make a final decision,but l suggest that the gardens should be a Chinese style.
The trip is only two days from flow.We’d bettera plan about it.
The thief was last noticedthe office building by the back door on the screen.
The scientist devotedmuch time toon the 9roject that he succeeded in the end.