________ seems no sense in complaining．We should take action now．

A．That

B．This

C．It

D．There

England is one of the countries ________ people drive on the left．

A．that

B．what

C．which

D．where

Once new difficulties ________ in your work, it's always important to use your brains．

A．raise

B．arise

C．arouse

D．rise

When the peace talk failed．There was a fear that war may ________ at anytime．

A．break off

B．break up

C．break out

D．break down

Many scientists have believdd that there may be a ________ of life on the Mar．

A．mark

B．dignal

C．sigh

D．sign

“Have you seen ________ new bike?I put it here just now．”

“Is it ________ white one?A boy has ridden it away．”

A．a, the

B．the, the

C．a, a

D．the, a