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 |
相关试题
As time _____, she became more and more anxious about her son’s safety.
| A．passing | B．going by | C．goes by | D．passed |
--- It was not until she had arrived home _________ her appointment with the doctor.
| A．when she remembered | B．that she remembered |
C．did she remember |
D．and she remembered |
The father as well as his three children________ skating on the frozen river every Sunday afternoon.
| A．is going | B．go | C．goes | D．are going |
My sister______ the League last month and she has decided to ______ the activity to help the aged next week.
| A．joined; join in | B．took part in; join | C．joined; attend | D．joined in; join in |
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