WE ……… ALMOST EVERY LESSON IN THIS BOOK SO FAR. A. STUDIED ...

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

18. We ……… almost every lesson in this book so far.

a. studied        b. are studying        c. study      d. have

studied