Question

1. I recommend him without         ，and I believe you will appreciate his exceptional ability in his studies.

   A. arrangement   B. reservation

   C. breakthrough   D. conscience

Answer 1

1. B句意为："我毫无保留地向你推荐他，我相信，您会赏识他非凡的研究能力"。

reservation 意为"保留意见"，符合题意。