The hottest continent, Africa has a lot of resources, ______ are still undeveloped.
| A．many of them | B．many of whom | C．many of it | D．many of which |
Are you going to the concert ______ on Friday evening in the people’s Square?
| A．to hold | B．to be holding | C．to have held | D．to be held |
Practice Chinese Gongfu can not only _________ one’s strength, but also develop one’s character.
| A．bring up | B．take up | C．pull up | D．build up |
---Can I smoke here ?
----Sorry, we don’t allow people _________ here.
| A．smoking | B．smoke | C．to smoke | D．smoked |
The news ________ Joan will be our new English teacher is true.
| A．what | B．that | C．how | D．when |
She had a car accident yesterday；________she got seriously injured in the left leg.
| A．as a result | B．because of | C．as a result of | D．in case |