for a long time là thì gì forest Trong câu thì hiện tại hoàn thành tiếp diễn thường có các từ sau: All day, all week, since, for, for a long time, in the past week, recently, lately, up until now, and so far, almost every day this week, in recent years. Trong câu có các từ: After, before, as soon as, by the time, when, already, just, since, for…
a correction pen is used for Câu 7: Mark the letter A, B, C, or D to indicate the correct to each of the following questions. A correction pen is used for ____ your writing mistakes. A. cover. B. covered. C. covering. D. to cover. Lời giải: Đáp án C. Giải thích: Ta có cấu trúc be used for sth/V-ing: được sử dụng cho việc gì/ để làm gì
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