Ray Kurzweil is a computer scientist and an employee of Google, ________ specializes in Internet-related services.
A. thatB. whenC. whereD. which
The famous singer made a promise to the public that he would ________ half of the year’s income to help the disabled.
A. give outB. give awayC. give inD. give up
Stephen Hawking, ________ “the greatest genius of the late 20th century”, announced that there are really grey holes in the universe.
A. callingB. to callC. to be calledD. called
Miss Lee didn’t notice little Tom slide out of the classroom; she ________ something on the blackboard.
A. was writingB. wroteC. had writtenD. has written
Moyan was at ________ loss when he received ________ news that he had been awarded the Nobel Prize in literature.
A. the; theB. the; /C. a; theD. a; /
The terrible earthquake struck the southwest of the country last week, ________ 6 deaths and hundreds of injuries.
A. causingB. to causeC. causedD. having caused
