The old town has narrow streets and small houses ______ are built close to each other.
| A．they | B．where | C．what | D．that |
I have reached a point in my life I am supposed to make decisions of my own.
A which B where C how D why
Nowadays people sometimes separate their waste to make it easier for it ______.
| A．reusing | B．reused | C．reuses | D．to be reused |
The books are easily ___________ to the readers as all the shelves are open.
| A．relevant | B．accessible | C．acceptable | D．sensitive |
All these changes will lead to ____ stronger and more Powerful China, ____ country that can help enrich the planet.
| A．a ; a | B．a : the | C．the :a | D．the : the |
The question came up at the meeting ______ we had enough money for our research.
| A．whether | B．that | C．which | D．what |