It remains to be seen ________ North Korea will remain stable under its new young leader．

A．when

B．why

C．whether

D．that

A school should create all atmosphere ________ kids can develop themselves all round．

A．which

B．where

C．that

D．who

Nowadays, more film stars ________ to be difficult to work with．

A．say

B．have said

C．are said

D．were said

Please do me a favor-________ Mr．Smith of the date and place of our English speech contest．

A．to inform

B．informing

C．inform

D．informed

How did you manage to get to school on time ________ you missed the school bus?

A．when

B．if

C．once

D．because

The Olympic Flame will travel to the UK on May 18，——the curtain of the 30^th Olympic Games．

A．lifting

B．to lift

C．lifted

D．having lifted

Readers are required to ________ the rules of the library and mind their manners

A．review

B．confirm

C．observe

D．manage

The news was a terrible blow to her, but she will ________ the shock soon．

A．take out

B．100k through

C．set off

D．get over

The little boy is dirty from head to foot because he ________ in the mud all morning．

A．has played

B．is playing

C．has been playing

D．was playing

The police were seeking more information to find out ________ the rich merchant．

A．who was it that killed

B．who it was that killed

C．it was who killed

D．who was it killed