I’m going to say B.
Sorry if I’m wrong
A. Regular trips to space may be available within the next year.
b. I had English classes yesterday.
c. She may buy a very big house in the city center.
d. My brother and I will not travel tomorrow.
I’m not 100% sure about a but I hope I could at least help some. I am pretty confident about the other 3.
I need pionts sorry i dont know
