He was often seen _________ with charity work last year.
| A．to help | B．helped | C．helping | D．help |
Lucy is good at _________
| A．dance | B．dancing | C．to dance | D．dances |
It is ____ useful book. ____ book is on her desk.
| A．a, The | B．an, The | C．the, A | D．an, The |
—Happy birthday to you!
—______
| A．That’s OK. | B．Here you are. |
| C．Thank you! | D．I’m happy. |
—What’s the third day of the week in America?
—It’s ______.
| A．Sunday | B．Monday |
| C．Tuesday | D．Wednesday |
We have music ____ Thursday afternoons.
| A．in | B．at | C．on | D．to |