Many people claimed ________ the violent attack.
| A．seeing | B．to see | C．have seen | D．to have seen |
Is ____three hours ____ the boy ___family is poor to come to school on foot?
| A．it ;that; whose | B．it; that it takes; whose |
| C．it for ;that it takes; whose | D．it; when ;that |
It was ___ it was raining so hard that we had to stay at home all day
| A．since | B．for | C．as | D．because |
.It was in the small house ___was built with stones by his father ___ he spent his childhood.
A. which; thatB. that ;whereC, which; which D. that; which
_________ the project in time, the workers were working at weekends.
| A．Completing | B．Having completed | C．To have completed | D．To complete |
_________ many times, he finally understood it.
| A．Told | B．Telling | C．Having told | D．Having been told |