Animals are our good friends. We are supposed ________ them.
| A．to protect | B．protect |
| C．protecting | D．protected |
Eating fruit and vegetables can help you ______ more vitamins.
| A．got | B．getting |
| C．to get | D．gets |
Here ______ in the classroom.
| A．ten students are | B．are ten students |
| C．ten students is | D．is ten students |
We should keep our classroom ______.
| A．cleaned | B．clean |
| C．cleaning | D．to clean |
—English is difficult for me. I can’t learn it well.
—Don’t give up. Nothing is difficult if you work hard.
| A．always | B．never |
| C． seldom | D．hardly ever |
—______ did you do on Sunday, Kate? —I watched TV.
| A．When | B．How | C．What | D．Where |