(2013·新课标Ⅰ,29)The door________open,no matter how hard she pushed.
#62491
A
shouldn't
B
couldn't
C
wouldn't
D
mightn't
推荐题目
You are tired. You _____ go to bed early.
#77293
A
can’t
B
should
C
aren’t
D
shouldn’t
He has      for three or four days. 
#78091
A
got a headache
B
fallen ill
C
caught a cold
D
had a cough
—Happy birthday!— Thank you! It’s the best present I_________ for.
#63166
A
should have wished
B
could have wished
C
may have wished
D
must have wished