With the rapid development of medical science, we ________ more new drugs used in the treatment of cancer. 
#101807
A
see
B
had seen
C
will be seeing
D
would see
推荐题目
.Nobody knew when the fire ________, but they knew it ________ the next morning.
#102822
A
broke out; was put out
B
was broken out; was put out
C
broke out; put out
D
was broken out ; wwent out
Over the past decades, sea ice _______ in the Arctic as a result of global warming.
#104854
A
had decreased
B
decreased
C
has been decreasing
D
is decreasing
 I _____ to help you to do homework but I couldn’t spare any time. I _____ a composition last night and I’ll finish it today.
#104389
A
wanted; wrote
B
had wanted; was writing
C
have wanted; wrote
D
wanted; have been writing