______ was most shocking about the tornadoes in America was that they threatened six states and killed more than 100 persons.
| A．That | B．Which | C．Why | D．What |
We all feel it is Jack as well as his wife that ____ for their son’s bad behaviour at school.
| A．is to blame | B．is to be blamed | C．are to be blamed | D．are to blame |
interested her most was the longitude line, is an imaginary line dividing the world.
A, That, it B, What, it C, That, which D, What, which
You must keep your eyes if you are going to make your trip enjoyable and worthwhile.
A, opened, to be B, open, to be C, opened, be D, open, /
To this happening again, John suggested that the source of all the water supplies .
A, stop, be examined B, keep, should be examined
C, prevent, examinedD, stop, was examined
He became inspired when he thought about fighting against cholera ordinary people .
A, that, exposed to B, to which, exposed C, that, are exposed D, which, are exposed to