so sánh chiều dòng điện và chiều huyển động có hướng của các eeelectron tự do trong dây dẫn kim loại

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My grandfather __________________ (buy) some fruits at the supermarket. Hannah __________________ (not study) French in the library. She’s at home with her classmates. __________________ (she, run) in the park? My dog __________________ (eat) now. What __________________ (you, wait) for? Their students __________________ (not try) hard enough in the competition. All of Jack’s friends __________________ (have) fun at the concert right now. My children __________________ (travel) around Asia now. My little brother __________________ (drink) milk. Listen! Our teacher __________________ (speak). Bài 4: Khoanh tròn vào câu trả lời đúng Where his wife (be) ………………..? am b. is c. are d. be Jack (wear) ………………..suit today. is wearing b. are wearing c. am wearing d. wears The weather (get) ………………..warm this season. gets b. are getting c. is getting d. are gets My kids (be)…………. downstairs now. They (play) …………..chess. am/ am playing b. is/is playing c. are/are playing d. be/ being Look! The train (come)………………… are coming b. is coming c. are coming d. is coming Alex always (borrow) ………………..me cash and never (give)……………….. back. is borrowing/ giving b. are borrowing/ giving c. borrows/ giving d. borrow/ giving While I (do)……………….. my homework, my sister (read) ……………….. newspapers. am doing/ is reading b. are doing/ is reading c. is doing/ are reading d. am doing/ are reading Why ……..at me like that? What happened? do you look b. have you looked c. did you look d. are you looking I…….in the bathroom right now. am being b. was being c. have been being d. am It……..late. Shall we go home? is getting b. get c. got d. has got -“Are you ready, Belle?” “Yes, I……………” am coming b. come c. came d. have came -Look! That guy………..to break the door of your house. try b. tried c. is trying d. has tried Bài 5: Hoàn thà