Choose the best answer A, B, C or D to complete the following sentences

Water pollution may result __________ the dead of marine life.

Robots save workers from __________ dangerous tasks.

Teenagers spend most of their time playing computer games, __________ they lost their interests in daily activities.

Recent __________. developments have made robots more user-friendly and intelligent.

Science and technology have __________ the life safe, secure and comfortable.

The man had a broken leg. He tried to save his wife.

In spite of ______________________________________________________

At this time tomorrow, Bing __________ an examination.

Many people believe that robots have made workers jobless __________ that is not necessarily true.