与夏季热发病关系最密切的因素是()。
A.气候炎热
B.乳食积滞
C.内蕴湿热
D.体质虚弱
E.以上都不是
参考答案:D
Run as quickly as you can, otherwise you ___ in the heavy rain soon.
A.be caught
B.will be caught
C.will catch
D.would have been caught
I_____to go for a walk,but someone called and I couldn’t get away.
A.was planning
B.planned
C.had planned
D.would plan