（）I think _______ necessary for you _______ breakfast.
| A．this; have | B．that; to have |
| C．it’s; to have | D．it’s; have |
﹣How does your brother go to school？
He________ride a bike，but now he _______there to keep fit．（ ）
| A． |
used to；is used to walk |
| B． |
used to； is used for walking |
| C． |
was used to； is used to walking |
| D． |
used to；is used to walking |
﹣Why are you unhappy these days，Julie？
﹣I can't see the blackboard because two tall boys sits_______me．（ ）
| A． |
behind |
B． |
next to |
| C． |
in front of |
D． |
between |
Parents should tell their children_______ unhealthy food．It's bad for their health．（ ）
A．not to eatB．not eatingC．to eatD．eating
Ben is a hard﹣working writer．He wrote his_______ novel when he was______years old．（ ）
A．five；fiftyB．fifth；fifty
C．fifth：fiftiethD．five；fiftieth
﹣Many accidents ______by careless drivers last year．
﹣Oh，that's terrible．We must follow the traffic rules．（ ）
A．are causedB．were caused
C．have causedD．caused