I’ll buy this skirt for my girl friend __ it cost.
I don’t doubt_______ he took the first place in his class; but I do doubt_______ he will succeed in the end.
_______ makes the school famous is _______ more than 90% of the students have been admitted to universities.
One thing I am certain of is that hard work _______ good results.
From the way her sitting room is decorated, you can tell she has a wonderful ___ in art.
He slipped and broke his leg. ___________, he’ll have to be away from school for two or three months.