By now, more than 100 photos ________ ba
题型:选择题
问题:
By now, more than 100 photos ________ back to the earth by Chang’e-3.
A.had been sent
B.has been sent
C.have been sent
D.will be sent
By now, more than 100 photos ________ back to the earth by Chang’e-3.
A.had been sent
B.has been sent
C.have been sent
D.will be sent