By now, more than 100 photos ________ back to the earth by Chang’e-3.
#99862
A
had been sent
B
has been sent
C
have been sent
D
will be sent
推荐题目
Since Mr. Evans took over the firm last month, he _____ to the busy schedule.
#100454
A
adapted
B
has adapted
C
had adapted
D
adapts
There is ______ what the weather will be like.
#103479
A
not knowing
B
no knowing
C
not known
D
no known
(2014·宝鸡三检)By the time the girl comes back to life,scientists probably________a cure for this incurable disease.
#99123
A
will have discovered 
B
are discovering
C
will be discovering 
D
have discovered