----Have you finished the book ?
----No, I’ve read up to _______ the children discover the secret cave. .
| A．which | B．what | C．that | D．where |
Little Tommy was reluctant to tell the schoolmaster__________he had done the day before.
| A．that | B．how | C．what | D．where |
__________ is no possibility__________Bob will win the first prize in the match.
| A．There;that | B．It;that | C．There;whether | D．It;whether |
Shanghai has taken on a new look.It isn’t like__________it used to be.
| A．what | B．how | C．that | D．which |
It worried Mary a lot__________she would pass the college entrance examinations.
| A．whether | B．if | C．that | D．how |
__________ caused the accident is still a complete mystery.
| A．What | B．That | C．How | D．Where |