一、单项填空（本大题共14分，每小题1分）
( )1.Although it seemed to be _______ painful experience, he still found it_______ fun.
A. a,/ B. /,a C. a, the D. a ,a
( )2.Millie is _______clever a girl that she has worked out_______ difficult math problems.
A. so; so B. such; such C. so; such D. such; so
( )3.—Lily dances so well . Where was she trained?
—She learns all by herself .She _______goes to any training class.
A. usually B. often C. even D. never
