Mary thought highly of the painting, but to Mr. Smith’s __________ eye, the painting was terrible. [ ]

下列各句中没有语病的一句是（ ）

______ is in the classroomIn fact many students were late for school ________me because of theheavy rain.[ ]

（题文）Jack ________ in the lab when the power cut occurred.

Because of the heavy snow, the researchers failed to reach their ________ on time as expected.