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£®—Do you think George has passed the driving test?

—No.If so£¬he would have driven his car to our college yesterday.