【推荐1】The government admitted that there was a petrol ____________(short) but warned people against panic buying. (所给词的适当形式填空)

【推荐2】To solve the ________________ (short) of electricity, the government has taken some measures, but it will be some time before the situation returns to normal. (所给词的适当形式填空)

【推荐3】To work out the problem of water _________(short), we have to put all our efforts together. (所给词的适当形式填空)

【推荐1】He, as well as his sister, has been rewarded in the school recently for their good ________（behave）. (所给词的适当形式填空）

【推荐2】We would be grateful for your ________ (cooperate) in clearing the hall as soon as possible. (所给词的适当形式填空)

【推荐3】The education quality has an________ (affect)on society's need for the graduates directly. (所给词的适当形式填空)