﹣You didn't find the owner of the book，did you？
．____So I gave them to our teacher．（ ）
| A． |
No，I did |
B． |
Yes，I didn't |
| C． |
No，I didn't |
D． |
Yes，I did |
Although we don't know what was discussed ， we can feel the topic____（ ）
| A． |
has changed |
B． |
was changed |
C． |
has been changed |
I'm sure____our team will win the match．（ ）
| A． |
if |
B． |
that |
C． |
when |
There is a____in our zoo．（ ）
| A． |
pigs |
B． |
panda |
C． |
dogs |
May I do my homework now，dad？
﹣Yes，you____（ ）
| A． |
must |
B． |
may |
C． |
can |
This is____friend，Sam．（ ）
| A． |
I |
B． |
my |
C． |
me |