The number of foreign students attending Chinese universities ________ rising steadily since1990. 21世纪教育网
| A．is | B．are | C．has been | D．have been 21世纪教育网 |
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The number of foreign students attending Chinese universities ________ rising steadily since1990. 21世纪教育网
| A．is | B．are | C．has been | D．have been 21世纪教育网 |
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