Change the given sentence into the following tense. Virtual libraries present a new paradigm for learning in school libraries.
a) simple past tense
b) Past perfect tense
c) present continuous tense
D) simple future tens
E) past progressives tense

Read the corporate document. upon becoming customers of topguide financial group, all clients agree to the following: information provided by employees of topguide financial group is subject to change without notice. any opinions therein are solely those of the author and may not reflect the views of topguide. topguide reserves the right to monitor, retain, and disclose all electronic communications, including email, that pass through its servers and communication systems. which text feature, if added, would best aid the reader’s understanding of this passage? a caption that lists the source of the text a heading that indicates the text’s purpose a graphic that illustrates the information in the text a recipient line that shows the text’s audience