Stand over there, _____ you will be able to see it better.
| A．or | B．but | C．while | D．and |
Everyone knows that _______ is dangerous to play with fire, but _______ is difficult is to prevent children from playing with fire.
| A．it, it | B．what, what |
| C．it, what | D．what, it |
My friend Mary is _____ beautiful girl and _____ girl everyone likes to work with.
| A．a, a | B．a, the |
| C．the, a | D．the, the |
—Do you let your kids travel by themselves at night?
—________! It couldn’t be more dangerous.
| A．Of course | B．Not at all | C．Absolutely not | D．I’m not sure. |
－What do you think of the party last night?
－Wonderful! It’s years I enjoyed myself so much.
| A．after | B．when | C．before | D．since |
This part of the library is only ______ to people over eighteen years old.
| A．academic | B．available | C．attractive | D．accessible |