Life has become so easy for children today that they the spirit to work hard.
| A．lack | B．lack of |
| C．are lacked | D．are lacking of |
At the end of the holiday, traffic_______ on the freeway as people headed home.
| A．put up | B．picked up |
| C．took up | D．built up |
Two friends were talking about education, _______, about the kind of education that they received in their youth.
| A．or else | B．worse still |
| C．or rather | D．above all |
The temperature has risen to more than 20 degrees centigrade．It is quite hot _______January in Zhejiang.
| A．for | B．in | C．as | D．like |
--- Jack fell off the ladder yesterday, but he is all right now.
---What a lucky dog! He _______ himself badly.
| A．could injure | B．must have injured |
| C．should injure | D．might have injured |
---Tell us, Mark, what is the cause of the American Civil War?
---Well, is it _______the black slaves wanted freedom?
| A．how | B．why |
| C．because | D．when |