It's not cool but it isn't as _________ as yesterday．（ ）
A．hotB．hotter
C．hottestD．the hottest
﹣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
Look!There______ a pair of glasses and two boxes on the table．（ ）
A．isB．areC．wasD．were