1) ___ I opened the window, the bird flew in. a) After b) Because c) When d) While 2) The students stopped talking ___ the principal entered. a) as b) during c) when d) while 3) I broke the glass ___ I was washing it. a) before b) because c) when d) while 4) We were watching a movie ___ the power went out. a) after b) as c) when d) while 5) ___ he was running, he twisted his ankle. a) Until b) Because c) When d) While 6) ___ I was reading the book, I didn’t hear you come in. a) As b) Since c) When d) While 7) My mom was cooking ___ I set the table. a) while b) before c) when d) during 8) He was making a call ___ the meeting started. a) as b) before c) when d) while 9) I saw him ___ I was walking to the market. a) after b) during c) when d) while 10) She was sleeping ___ we came home. a) before b) after c) when d) while 11) I was reading ___ he entered the room. a) during b) since c) when d) while 12) ___ the music was playing, everyone danced. a) Before b) After c) While d) When 13) ___ I was cleaning, I found my old diary. a) Since b) When c) While d) Before 14) ___ I turned around, he had disappeared. a) Before b) Since c) When d) While 15) The teacher was writing on the board ___ the students were copying. a) after b) since c) while d) when

Bảng xếp hạng

Phong cách trực quan

Tùy chọn

Chuyển đổi mẫu

Bạn có muốn khôi phục tự động lưu: không?