1)In the end he admitted that he … the fire … at such a speed.
a) didn’t expect/to have spread
b) hadn’t expected/to spread
c) wouldn’t expect/to be spreading
d) hadn’t been expecting/to have spread
2)I’ve been in the class … the beginning of semester.
a) for b) since c) until d) at
3) She’s been … since she was
a) By her own b) On her own c) Herself d) By herself