45. The twins look much like each other, but they are different _____ nature.
—I’m afraid I’ll fail in the exam.— ________. It won’t be so bad.
The great success of this project has been largely ________ the support given by the 30 local businesspersons.
The novel is so badly written that I can hardly ________what the writer is trying to say.
It can’t be a (n) ______ that four jewelry stores were robbed in one night.
— Hi, Jack, would you like to join us in the sightseeing this weekend?—Thank you, but I regret ______ you that I can’t, for I’m going to visit my grandparents.