There are ________ public signs in the park.
A. a lot of B. lot of C. a lots of
The desk is ________ front of the chair.
A．on B．in C．at
Look at the photo ________ my sister.
A．of B．and C．by
We ________ about tongue twisters last Monday.
A．learn B．learned C．leaning
Amy ________ pictures with colour pens last evening.
A．drew B．draw C．drawed
He never ________ to school.He went to school by bus.
A．walk B．walks C．walked