____interesting experiment it is!
| A．What | B．What an |
| C．How | D．How an |
—What’s in the box?—____.
A. Anything B. Nothing C. Anybody
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