MY WIFE AND I ……… BY AIR MANY TIMES IN THE PAST A. WILL TRAVEL ...

20. - BAI TAP CAC THI TIENG ANH 60 DAP AN
BAI TAP CAC THI TIENG ANH 60 DAP AN

20. My wife and I ……… by air many times in the past

a. will travel        b. travelled       c. has travelled       d. have

travelled