How do you study _______a test? I study _______working with friends.
| A．for ; for | B．for ; by | C．by ; for | D．by ; by |
—Peter, what’s your mother doing now?
—She____________in the kitchen.
| A．cooks | B．is cooking | C．will cook | D．cooked |
— Tomorrow is Saturday, why don’t we play basketball in the gym?
—Good idea, ________ I have to see my grandparents.
| A．so | B．or | C．but | D．and |
—________ you open the window, please?
—Yes, I can.
| A．May | B．Need | C．Must | D．Can |
There are two dogs in my family. One is white,_____________ black.
| A．another | B．others | C．the other | D．other |
I am _______________than my mother, so I am very happy.
| A．tall | B．taller | C．tallest | D．the tallest |