Many people who had seen the film were afraid to go to the forest when they remembered the scenes ________ people were eaten by the tiger.
A. in which B. by which C. which D. that
Some researchers believe that there is no doubt ________ a cure for AIDS will be found.
A. which B. that C. what D. whether
— I've taken someone else's green sweater by mistake.— It ________ Harry's. He always wears green.
A. has to be B. will be C. mustn't be D. could be
The policeman's attention was suddenly caught by a small box which _______ placed under the Minister's car.
A. has been B. was being C. had been D. would be
He hurried to the station only ________ that the train had left.
A. to find B. finding C. found D. to have found
The American Civil War lasted four years ________ the North won in the end.
A. after B. before C. when D. then