1. For villagers .... to read, instructions have been developed using special symbols
A. who unable B. they are unable C. unable D. where they are unable
2. Communication companies have been experimenting with a fibre- optic cable .... international telephone transmission
A. can carry B. can carry it C. that can carry D. that it can carry
3. Seat belt laws were introduced .... traffic fatalities would be reduced
A. so that B. then C. when D. as if
4. ... to England remain strong, the Channel Islanders are exempt from most British taxes
A. Although tied B. Although their ties C. Before their ties D. Tied