Give some explanation for (have had) combine grammar​

Three types of literature characteristics of the twelfth century are ? sonnets, histories, ballads, elegies, lyrics. select all that apply.

Asentence teacher gives the following speech. prepare a brief speech to accompany your science project. the speech will be presented to a faculty panel selected as judges. include a summary of your hypothesis, methods, and results. provide an explanation of any pictures or charts one of your poster. also share any complications you encountered during the science fair process. who is the intended audience for the teachers speech? a. young students. b. peers at the science fair. c. teacher evaluators. d. science professionals

Which pair of words has similar denotation but different connotations?