tourists visit the Great Wall every year.
| A．Million of | B．Millions of |
| C．five million of | D．five millions of |
Jim often goes to school ________ bike．But today he goes to school ________ the school bus．
| A．on；by |
| B．by；by |
| C．by；on |
| D．on；on |
I’m too tired．I must ________ a rest．
| A．stop |
| B．stop having |
| C．stop to have |
| D．stop have |
It takes me fifteen minutes ________ from my home to the bus station．
| A．walk |
| B．walking |
| C．walks |
| D．to walk |
—________ is it from here to the supermarket？
—About twenty minutes’ walk．
| A．How far |
| B．How long |
| C．How often |
| D．How many |
—____ can you finish this English exam？
—In about one and a half hours．
| A．How far |
| B．How often |
| C．How soon |
| D．How long |