So far nobody has claimed the money in the library.
| A．discovered | B．to be discovered |
| C．discovering | D．having discovered |
Your essay _________ beautifully．Is it the one I saw you writing yesterday?
| A．is read | B．was read | C．reads | D．read |
Misunderstandings resulting from lack of social communication, if not ______ properly, may lead to serious problems．
| A．handling | B．being handled |
| C．handled | D．to handle |
On Sundays there were a lot of children playing in the park, ________ parents seated together joking．
| A．their | B．whose | C．which | D．that |
Was it at the beginning _____ you made the promise ____ you would do all to help make it?
| A．that; that | B．when; that |
| C．that; when | D．when; when |
A reward of $1,000 will be given to can provide any clues to the case which has been investigated by the police for nearly half a year．
| A．whoever | B．whomever | C．anyone | D．who |