JACK IS OUT OF BREATH. HE ...A. WAS RUNNINGB. HAS BEEN RUNNINGC. H...

50. - 3500 CAU TRAC NGHIEM ON TAP AV THCS
3500 CAU TRAC NGHIEM ON TAP AV THCS

50. Jack is out of breath. He ...

a. was running

b. has been running

c. has run

d. would run

--> b

Test 3

I. Pronunciation