Computers now allow searches of fingerprint files to match a print at a crime ________．

A．sign

B．sight

C．mark

D．scene

The bus went on slowly, ________ every now and then to take people in．

A．to stop

B．stopping

C．to have stopped

D．stopped

Those successful deaf dancers think that dancing is an activity ________ sight matters more than hearing．

A．where

B．whose

C．which

D．when

We haven't settled the question of ________ it is necessary for him to study abroad．

A．if

B．whether

C．where

D．that

The global economic slowdown ________ millions of guest workers jobless has caused thousands of firms to close down this year．

A．left

B．having left

C．to leave

D．leaving

The number 5.12 is a special number, ________, I think, that will be remembered by all the people in Sichuan Province．

A．what

B．one

C．which

D．it

The young man ________ his wet clothes on the grass to dry them in the sun．

A．settled

B．hung

C．opened

D．spread

The news of the mayor's coming to our school for a visit was ________ on the radio．

A．given away

B．given off

C．given out

D．given up

So, ________ the government has a good system of control or can educate the people, the forests will slowly disappear．

A．if

B．when

C．unless

D．whether

John didn't choose ________ of the ties and went away without looking at a third one．

A．any

B．neither

C．either

D．none