children believe they can succeed, they will never become totally independent．
| A．If | B．Though | C．Unless | D．When |
After the long journey, the three of them went back home, _________
| A．hungry and tiredly | B．hungry and tired |
| C．hungrily and tiredly | D．hungrily and tired |
It’s unimaginable that such a top student as Janecheat in the exam.
| A．should | B．may | C．can | D．might |
Now the Internet is a popular channelthe public voice their opinions and show their strength.
| A．by that | B．through which | C．through that | D．by which |
Since the opening and reform policy, Chinaa boom in its economy.
| A．enjoys | B．has been enjoying | C．enjoyed | D．having enjoyed |
private cars are bringing us convenience, they may also cause traffic accidents and pollution.
| A．When | B．Since | C．while | D．As |