Which sentence contains a pronoun shift?

Why are reading and writing necessary in today’s world?

Which word in the sentence is the object of the preposition ? scrape the dishes and put them in the sink 1)in 2)them 3)dishes 4)sink

The cheerleading squad practiced their routine, they were still not ready to perform for an audience. choose the best transitional word or phrase to complete the sentence. a) however b) besides c) although d) therefore