Choose the best answer for the following sentence:
A skilful photographer _______________ me with the development of summer films
for two weeks, but we ________________ only half of them.
for two weeks, but we ________________ only half of them.
A.
has been helping - have been developing
B.
has helped - have developed
C.
has helped - have been developing
D.
has been helping - have developed
Đáp án và lời giải
Đáp án:D
Lời giải:
has been helping - have developed