hoàn thành câu sau
1) we /have/dinner/when/telephone/ring
2) I/walk/along/street/ when/sudden/I/hear/footsteps/me/./Somebody/follow/me/./I/frighten/and/star/run/./
3) When/we/watch/a/television program/call/ "little star"/last night/the electricity/go/out/./
