Bill reviewed all the old lessons. Then he did the assignments. (Before)
A.Before Bill had done the assignments, he had reviewed all the old lessons.
B.Before Bill did the assignments, he reviewed all the old lessons.
C.Before Bill had did the assignments, he reviewed all the old lessons.
D.Before Bill did the assignments, he had reviewed all the old lessons.
A.Before Bill had done the assignments, he had reviewed all the old lessons.
B.Before Bill did the assignments, he reviewed all the old lessons.
C.Before Bill had did the assignments, he reviewed all the old lessons.
D.Before Bill did the assignments, he had reviewed all the old lessons.
Loga
Hóa Học lớp 12
