Mark the sentence stress ( ' ) on the works . Then say the sentences aloud

1: Mark the sentence stress ( ' ) on the works . Then say the sentences aloud.
1 What did you do yesterday ?                         I went to the zoo
2 How did you go to the zoo ?                          I went there by bus
3 Who did you go with ?                                   I went there with my classmates
4 What did you see at the zoo ?                       I saw lots of animals