—Hi,Mary.Would you like to go to the concert this evening?—Sorry,Tom.________ tomorrow's lessons,I have no time to go out with you.
#89137
A
Not preparing
B
Not having prepared
C
Not to prepare
D
Being not prepared
推荐题目
 The teacher doesn’t permit ________ in class.
#88365
A
smoke
B
to smoke
C
smoking
D
to have a smoke
He was so careless that he left _____the door ____. 
#96839
A
leaving…unlocked
B
to leave…locked
C
left…unlocking
D
leaving…locking
You’d better have your shoes        .
#95392
A
mending
B
to mend
C
mend
D
mended