---Would you come to my birthday party tomorrow evening?---I’m afraid I ______. I have to look after my sister.
#78102
A
wouldn’t
B
can’t
C
won’t
D
mustn’t
推荐题目
 This book ______ , because his name is on the book. 
#74799
A
can be Tom’s father’s
B
can’t be Tom’s father’s
C
must be Tom’s father’s
D
must be Tom’s father
--- Can you make a kite for me?--- Sorry, I _____.
#75948
A
needn’t
B
can’t
C
mustn’t
D
shouldn’t