摘要： It last week that the hazein Beijing caused many problems. A. reports B. reported C. is reported D. was reported
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It _____ last week that the haze(雾霾)in Beijing caused many problems.
A. reports B. reported C. is reported D. was reported
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It ______last week that the haze(雾霾) in Beijing caused many problems.
| A．reports | B．reported | C．is reported | D．was reported |
It _____ last week that the haze(雾霾)in Beijing caused many problems.
| A．reports | B．reported | C．is reported | D．was reported |