题文
A number of methods been used, but the number of animals still small in the forest.
| A．have; is | B．has; is |
| C．have; are | D．has; are |
推荐试卷
A number of methods been used, but the number of animals still small in the forest.
| A．have; is | B．has; is |
| C．have; are | D．has; are |
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