MY FATHER USED TO ... BICYCLE TRIPS TO THE COUNTRYSIDE WHEN HE WAS...

14. - 3500 CAU TRAC NGHIEM ON TAP AV THCS
3500 CAU TRAC NGHIEM ON TAP AV THCS

14. My father used to ... bicycle trips to the countryside when he

was young.

a. take

b. taking

c. be taken

d. being taken

 a