问题
选择题
you turn off all the lights when you leave the classroom．
A．Making sure
B．To make sure
C．Being sure
D．Make sure
答案
答案：D
考查祈使句：句意是：当你离开教室时要把所有的灯都关了。根据句式判断应该用祈使句。选D。
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you turn off all the lights when you leave the classroom．
A．Making sure
B．To make sure
C．Being sure
D．Make sure
答案：D
考查祈使句：句意是：当你离开教室时要把所有的灯都关了。根据句式判断应该用祈使句。选D。