ⅰ.用所给词的适当形式填空 1．they tried to increase ________(produce) by using better methods and tools. 2．flying across the atlantic for the first time was a great ______(achieve)． 3．i'm ________ (delight) to know you have such faith in me. 4．i argued about the government's new ________(economy) policy with him. 5．please give him my ________ (congratulate) when you see him. 6．the high official was put into prison for ________(finance) reasons.
