We __________ 1000 English words since w
题型:选择题
问题:
We __________ 1000 English words since we __________ to learn English.
A.learned; begin
B.have learning; began
C.have learn; begun
D.have been learning; began
We __________ 1000 English words since we __________ to learn English.
A.learned; begin
B.have learning; began
C.have learn; begun
D.have been learning; began