________with enough instruments necessary for the experiment, these scientists are expecting to finish it ahead of time.(2.0分) A: To be supplied B: to supplied C: supplying D: supplied

________with enough instruments necessary for the experiment, these scientists are expecting to finish it ahead of time.(2.0分)
A: To be supplied
B: to supplied
C: supplying
D: supplied

出自：梦想在线大学英语1

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