ex1: chọn đáp án đúng :
9.You(have lied /have lain) in bed since the morning. Get up and find something else to do.
10. They ( were/have been)close friends for 3 months but now they hate each other.
11.(Have you ever tried/Did you ever try ) ice skating when you were a kid?
12.How long (have you taught/did you teach ) in this primary school?
13.The last time we met (has been/ was ) ten days ago.
14.You (have eaten / haven't eaten ) anything since yesterday . You must be very hungry now.
15. We ( have been/have never been) to this place before . This is first time.
LƯU Ý : KHÔGN CẦN CHÉP ĐỀ BÀI ,CHỈ CẦN CHỌN ĐÁP ÁN ĐÚNG
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Sinh Học lớp 12
