Just like fingerprints, each person’s DNA is ________unless he has a twin.
A. unusual B. normal C. various D. unique
The boy felt quite happy because he was closer now to ______ an answer of his own.
A. have found B. find C. finding D. having found
Taking charge of the big company, I’m afraid, is _____ his ability.
A. beyond B. within C. of D. to
When the fire________，the people in the building lost their head and ran in all directions.
A. broke in B. broke away C. broke out D. broke down
The new CRH train between Beijing and Shanghai _______ speed can reach about 380km/h will benefit people a lot.
A. whose B. where C. that D. which
Sally looks very happy. She ________ have got the first place in the 200-meter race.
A. should B. could C. must D. might
