The children in the orphanage requested they ______on a tour across the city.
#86859
A
take
B
took
C
be taken
D
were taken
推荐题目
______ he was at home, I would have phoned him then.
#86596
A
Had I known
B
I had known
C
Would I know
D
I would know
The boy         the first prize, but he was so careless as to make a foolish mistake.
#87720
A
must have gained
B
need have gained
C
could have gained
D
shall have gained
— Catherine, I have cleaned the room for you. — Thanks. You ______ it. I could manage it myself. 
#90498
A
needn’t do
B
needn’t have done
C
mustn’t do
D
shouldn’t have done