I think _________ history about China is very important.
| A．study | B．studying | C．studied | D．studies |
–Is this your book? –Yes, ___________.
| A．this is | B．it is | C．it isn’t | D．he is |
–What’s this? –It’s________ orange.
| A．/ | B．a | C．an | D．the |
.—Would you like some bread? —______, I'm full.
| A．No, thanks. | B．Yes, please. |
| C．No, I don't like it. | D．Yes, I would. |
Jane is high school student in the United States.
| A．a 18-year-old | B．a 18-years-old |
| C．an 18-year-old | D．18-years-old |
—What do you think of my sister?
—She ______.
| A．is short | B．is friendly |
| C．was kind | D．has curly hair |