This is _____ book. It is ____ English book.
| A．a, a | B．an, an |
| C．a, an | D．an, a |
It’s ___6:00 . Let’s go home.
A . at B. on C. around
Shanghai is bigger than _____ city in China.
A. any B. other C. any other
The teacher tells us not ______a hat in class.
A. wear B. wearing C. to wear
Most animals walk ____ four legs.
A. of B. to C. on
What do you usually do____ Sunday mornings.
A. in B. at C. on