Huai'an is a city with a long history and it lies in the east of (Chinese).
We are made ________ more confident by our teacher.
He is an explorer ________ a sailor.
________ our surprise, he failed the math exam.
He ________ an English club last year and has improved his English a lot.
—What a heavy rain!—So it is.I prefer ________ rather than ________ on such a rainy day.