Those natives who _________ move from place to place with their animals in the past have moved into new houses at last.
#63567
A
could
B
would
C
might
D
should
推荐题目
— If you listen to me, you ______ take a good rest at once.— OK, I ______ do so.
#62849
A
should; must
B
shall; will
C
must; would
D
may; can
Mary _______ be in the hospital. I saw her play basketball a minute ago.
#62940
A
mustn’t
B
shouldn’t
C
can’t
D
may not
Mary ______ my letter; otherwise she would have replied before now. 
#63420
A
has received
B
ought to have received
C
couldn’t have received
D
shouldn’t have received