Помогите с Английским:
Task III. Choose the right form of verb!
1. The letters … in day .
a/ will be sent b/ have been sending c/ send
2. Our manager …… into the hotel “Moscow”.
a/ will be gone b/ will go c/ is gone
3. I … the beauty of the buildings in the city center.
a/ will be enjoyed b/ has been enjoyed
c/ was enjoying
4. The English language is beneficial, it …. my knowledge greatly .
a/ will be expanded b/ has been expanding
c/ has expanded