— An iPhone6 costs over 5,000 yuan, doesn’t it? — Yes. I don’t know it is worth the price. Maybe I can buy a Huawei or Miui (小米) phone.
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.
By the time I locked the door, I realized I ________ my keys at home.