---What’s the world’s ______ national park？
--- It’s Yellowstone National Park in the US.
| A．old | B．older |
| C．oldest | D．the oldest |
The backpack is very . I can’t afford it.
A. expensive B. cheap C. new
—Where you last weekend?—I____ at my uncle’s home.
A. are, am B. were. am C. were. was
—Are these girls ?—No, They’re in a school, but they’re not in a class.
A. classmates B. students C. teachers
The dumplings are nice. I want some more.
A. only B. really C. never
—____ ?—He is tall and thin．
A. What does your brother do
B. Hoe old is your brother
C. What does your brother look like