Though suffering a serious injury, Rafael Nadal refused to _______ the game and went on.
A. give out B. give in C. give up D. give off
Though suffering constant noise from the outside world, little Tommy was still working with all his
attention _____ on his unfinished warship model.
A. focusing B. concentrating C. fixed D. looking
My uncle now teaches French in a famous domestic university, who _______ in Paris for 6 years.
A. have lived B. lived C. was living D. had lived
Recently some hospitals in China have adopted ______ they call a robot-doctor, ______ will be used
to operate on patients with more accuracy.
A. what; that B. that; which C. what; which D. which; what
. ______ understanding the challenges faced by the world’s poorest people can we expect a new future
free of extreme poverty and hunger.
A. On B. Through C. Only D. Only by
. This system allows businessmen to keep ______of their list of goods by showing which items are
being sold and how fast they are moving.
A. sight B. track C. touch D. sign
