I'll go to the library as soon as I finish what I .
A. was doing B. am doing
C. have done D. had been doing
Sarah looked at finished painting with satisfaction.
A.不填；a B. a; the C. the; 不填 D. the; a
Tom asked the candy makers if they could make the chocolate easier into small pieces.
A. break B. breaking C. broken D. to break
In our class there are 46 students, _____ half wear glasses.
A. in whom B. in them C. of whom D. of them
All the photographs in this book, _______ stated otherwise, date from the 1950s.
A. unless B. until C. once D. if
The limits of a person’s intelligence, generally speaking, are fixed at birth, but ________he reaches these limits will depend on his environment.
A. where B. whether C. that D. why
