He was so _______ thought that he didn’t see the pole on the road
| A．buried in | B．careful with | C．busy with | D．serious about |
Care of the soul is a gradual process ________ even the small details of life should be considered.(2012·湖南)
| A．what | B．in what | C．which | D．in which |
The man showed us such a heavy stone ________ no one could lift it.
| A．that | B．as | C．which | D．and |
The number of the audience，________ we had expected，was well over one thousand.
| A．whom | B．who | C．which | D．as |
A lot of language learning，________ has been discovered，is happening in the first year of life，so parents should talk much to their children during that period.(2012·安徽，29)
| A．as | B．it | C．which | D．this |
The air quality in the city，________ is shown in the report，has improved over the past two months.(2012·福建，23)
| A．that | B．it | C．as | D．what |