Luyện tập: các thì trong tiếng Anh phải biết khi thi IELTS
Chia động từ trong ngoặc sau. Chú ý không viết tắt (not=n't)
Rachele: I think the waiter us. We here for over 40 minutes and nobody our order yet. Jennifer: I think you're right. He by us at least ten times. He probably thinks we (order, already) . Rachele: Look at that couple over there, they (be, only) here for only 15 minutes and they already have their food. Jennifer: He must realize we (order, not) yet! We here for over half an hour staring at him. Rachele: I don't know if he (notice, even) us. He from table to table taking orders and serving food. Jennifer: That's true, and he (look, not) in our direction once.