HE WAS SO TIRED THAT HE FELL ……….. DURING THE LECTURE. A. SLEEPING...

32. - CHI TIET BAI TAP VA LOI GIAI TRAC NGHIEM TU VUNG 12 BAI TAP TRAC NGHIEM VE TU VUNG
CHI TIET BAI TAP VA LOI GIAI TRAC NGHIEM TU VUNG 12 BAI TAP TRAC NGHIEM VE TU VUNG
32. He was so tired that he fell ……….. during the lecture. A. sleeping B. asleep C. sleepy D. sleepless