Câu 17 : They ................ small cups of coffee after they ................ dinner A, had drunk/ finished B. drank/ finished C.were drinking /finished D. drank / had finished

20) While I did my homework, I had a good idea. B 21) Don't make so much fusses over the children. C D B C 22) John's friends had celebrated a farewell party for him last Sunday. D A B 23) After she bought herselfa new motorbike, she sold her bicycle. B C 24) She did not know where mos ...