Câu hỏi:

17/04/2025 16

In order to ensure that the medication does not have side – effects, pharmacists have tried____ it on a variety of animals.

A

to experiment

B

experimenting

C

to be experimented

Đáp án chính xác
D

experiemented

Trả lời:

verified Trả lời bởi Docx

In order to ensure that the medication does not have side – effects, pharmacists have tried to be experimented it on a variety of animals.

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