I’m sorry I can’t help ____ the flowers, because I’m busy preparing for the singing competition ____ tomorrow.
#91816
A
watering; to be held
B
water; being held
C
to water; held
D
water; to be held
推荐题目
________ his lessons , he failed in the exam. 
#90060
A
Not reviewing
B
Having not reviewed
C
Not reviewed
D
Not having reviewed
When the teacher came in, the students pretended _____ the text.
#88675
A
to read
B
reading
C
to have read
D
to be reading