MR NAM USED TO ... BICYCLE TRIPS TO THE COUNTRYSIDE WHEN HE WAS YO...

47. - 3500 CAU TRAC NGHIEM ON TAP AV THCS
3500 CAU TRAC NGHIEM ON TAP AV THCS

47. Mr Nam used to ... bicycle trips to the countryside when he was

young.

a. talking

b. take

c. took

d. taken

 b