How many cakes can I have，Mom？
None，dear．They_____for your father．（ ）
| A． |
prepare |
B． |
prepared |
| C． |
have prepared |
D． |
were prepared |
That's the boy ____ won the first prize in the competition yesterday．（ ）
| A． |
who |
B． |
which |
C． |
whom |
We all look forward to ____ you again soon．（ ）
| A． |
see |
B． |
seeing |
C． |
seen |
Do you know ____ ？（ ）
| A． |
how old is he |
| B． |
how old he is |
| C． |
he is how old |
My sister ____ be lazy． But now she's working really hard．（ ）
| A． |
used to |
| B． |
is used to |
| C． |
was used to |
____ will you go back to your hometown？
In a week．（ ）
| A． |
How long |
B． |
How far |
C． |
How soon |