ⅰ.单词拼写 1.we eventually ran out of ________(耐心) with his childish behaviour. 2.he donated thousands of pounds to ________(慈善事业). 3.i folded the letter and then put it into the ________(信封). 4.our sailing boat was delayed by ________(相反的) winds. 5.they entered the area without ________(许可).