摘要： The air quality in the city, is shown in the report, has improved over the past two months. A. that B. it C. as D. what
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The air quality in the city, ________is shown in the report, has improved over the past two months.
| A．that | B．it | C．as | D．what |
The air quality in the city, ________is shown in the report, has improved over the past two months
- A.that
- B.it
- C.as
- D.what
The air quality in the city, ______ is shown in the report, has improved over the past two months.
[ ]
A. that
B. it
C. as
D. what
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B. it
C. as
D. what