Is oxygen the only gas ________ helps fire burn?

that

/

which

what

Are these glasses ________?

which you wish will be repaired

the ones you wish to have repaired

the one you wish to have it repaired

that you wish to be repaired

Is this the company ________ you paid a visit to the other day?

that

the one

where

what

This is the city ________ I lived in two years ago．

which

what

where

as

She is the girl ________．

whose money was stolen

the which money was stolen

whose money was robbed

the which money was robbed

He was the very one of the students who ________ praised at the class meeting．

was

were

is

are

They talked for about an hour of things and persons ________ they remembered in the school．

where

which

that

whom

Is this company ________ you paid a visit to the other day?

that

the one

where

what

Finally the thief handed everything ________ he had stolen to the police．

which

what

whatever

that

Is this the reason ________ at the meeting for his carelessness in his work?

he explained

what he explained

how he explained

why he explained