A. introduced B. introducing C. to introduce D. to be introduced
A. were not smiling B. wouldn’t be smiling C. are not smiling D. wouldn’t have been smiling
A. are B. been C. be D. being
A. any stupid such B. any such stupid C. such any stupid D. such stupid any
A. which B. that C. what D. whose
A. after B. if C. at that D. even if
A. as B. that C. where D. which
A. much less B. more less C. less much D. still much
A. is leaking B. had leaked C. leaked D. has been leaking
A. restrained B. compelled C. confined D. restricted