Yan' an, a city in northern Shaanxi province, has seen great progress in its tourism industry over the past few years.
In order to improve English, ________________.
Children will work actively if_________________.
He told us an interesting story about himself, _______________why he didn’t succeed that time.
—What did you do last night?—I______________my homework but nothing else.
Nowadays the roles of husband and wife are not as __________defined as before, especially when both partners work and earn money for the family.