I used to drink a lot of tea but these days I ＿＿coffee.
| A．prefer | B．preferred | C．have preferred | D．am preferring |
Modern China is experiencing a completely new period__respect for science and creativity has become the guiding principle of society．
| A．of which | B．where | C．in which | D．which |
I won't give you any help __ you tell me the truth．It's none of my business
| A．unless | B．since | C．as if | D．even if |
Although he is very young, he is much more experienced than others __working ability．
| A．in praise of | B．in terms of | C．in search of | D．in need of |
Good use___ the natural resources to improve people’s life in this area．
| A．has been made of | B．has made of |
| C．has made | D．has been made |
A great number of students said they were forced to practice the piano .
| A．to question | B．to be questioned | C．questioned | D．question |