HE TRIED _________ BUT SHE REFUSED ____________A. TO EXPLAIN/ LISTE...

9. - BAI TAP ON THI THEO CHU DE +DAP AN
BAI TAP ON THI THEO CHU DE +DAP AN

9. He tried _________ but she refused ____________

a. to explain/ listen b. to explain/ to listen

c. explain/ listen d.explaining/ listening