______ he referred to in his article was unknown to the general reader.
A. That B. What C. Whether D. Where
Small sailboats can easily turn over in the water ______ they are not managed carefully.
A. though B. before C. until D. if
His movie won several awards at the film festival, ______ was beyond his wildest dream.
A. which B. that C. where D. it
The Town Hall ______ in the 1800’s was the most distinguished building at that time.
A. to be completed B. having been completed
C. completed D. being completed
There is nothing more I can try ______ you to stay, so I wish you good luck.
A. being persuaded B. persuading C. to be persuaded D. to persuade
After a knock at the door, the child heard his mother’s voice ______ him.
A. calling B. called C. being called D. to call
