Unfortunately, the element Madam Curie devoted all her life her death.
A. to caused B. causing C. to be caused D. to causing
Out of the crowded bus , who was dressed in a black suit and waved to a woman.
A. a tall man in his thirties stepped B. stepped a tall man in his thirties
C. did a tall man in his thirties step D. did a tall man step in his thirties
When exposed to stress, in ________ form, all of us react both chemically and physically.
A. whichever B. whatever C. however D. whenever
After he was promoted to the present position, he is not so hardworking as he ______.
A. was used to B. used to be C. was used to being D. used to
What actually ______ the accident has not yet been determined.
A. brought out B. brought on C. brought about D. brought up
-- What were you up to when she dropped in?
-- I _____ for a while and _____ some reading.
A. had played; was going to do B. played; did
C. was playing; was going to do D. had played; did
