―Look at the lady there. ______ it be Mrs. Green?―No, it _______ be her. She left for London this morning.
#36839
A
Must, can’t
B
May, mustn’t
C
Can, may not
D
Can, can’t
推荐题目
—Is this football ______?  —No, it’s ______. 
#40612
A
yours; Kate
B
your; Kate
C
yours; Kate’s
D
your; Kate’s