I _____ have two wings and then fly to the moon.[ ]
A. would
B. could
C. should
D. might
A
挫折是由外在因素的干扰所造成的。
判断:____________________________________________________ 改正:____________________________________________________
If you stay at home alone, don't open the door for a _____.[ ]
A. friend
B. neighbor
C. teacher
D. stranger