Ⅰ．单句语法填空
1．—Who should be responsible for the action?
—The boss is to blame.The employees just carried out the order as __told__(tell)．
2．When __exposed__(expose) to danger and conflict，men tend to increase blood pressure，feeling nervous or anxious.
3．The city now is much noisier than it used __to be__(be)．
4．I may take a long lunch break tomorrow.If __so__，I can go to the hairdresser’s then.
5．Whenever __informed__(inform) of a party，I feel excited.
6．If __accepted__(accept) for the job，you’ll be informed soon.
7．Video games can be a poor influence if __left__(leave) in the wrong hands.
8．She always sings while __doing__(do) her work.
9．Children，when __accompanied__(accompany) by their parents，are allowed to enter the stadium.
10．Observe carefully if any change occurs when __doing__(do) experiments in the lab.
