Let's stop for a few minutes. I'm tired to walk any farther.
A. so B. enough C. too
—Let’s go to the zoo on Sunday morning．
—________．
| A．Not at all |
| B．Thank you very much |
| C．That sounds good |
| D．It’s very interesting |
The________often cat grass on the hill．
| A．chicken |
| B．horse |
| C．cow |
| D．sheep |
You can see an________in the zoo．
| A．tiger |
| B．elephant |
| C．giraffe |
| D．panda |
As we’re students，we________obey the school rules．
| A．can |
| B．may |
| C．must |
| D．could |
All the students are talking and laughing in the classroom and it’s________．
| A．noisy |
| B．lonely |
| C．quiet |
| D．strict |