The best times to visit Shangri-la are spring and autumn ____ the temperature is at its mildest.
6.The small factories___________from the fall of the prices.
5.——I'm sorry, but I didn’t mean__________out your secret. ——But you know, letting out one's secret means________one' s feelings.
4.My friend, David, was not used __________by air, so he felt unwell.
3.I went there yesterday_________to see my uncle.
2.——Mr President, do you plan to educate your two daughters to be officials? ——To tell you the truth , 1 hope they can do whatever________their interests.