The old lady didn’t know         when the house caught fire.
#17205
A
how to do
B
how to do with it
C
what to do
D
what to do it
推荐题目
Let’s go to the ____________ to buy some things.
#16684
A
school
B
supermarket
C
bank
D
park
Which kind of animals has long legs and neck(脖子)?
#17217
A
Pandas
B
Penguins
C
Giraffes
D
Koalas
It’s nice _______ you _______ me with my lessons. 
#16757
A
for, helping
B
for, to help
C
of, to help
D
of, helping
My cousin gave me a nice toy. What sentence element is the underlined part?
#17223
A
Direct object
B
Indirect object
C
Adverbial
D
Attributive
选出标点符号正确的那一项。
#17263
A
How do you do!
B
Are you Mary.
C
Is this your book?
D
I am Tom,