Jack ...... chess before so I showed him what to do. *

A. hadn't been playing

B. didn't play

C. wasn't playing

D. hadn't played

chon tu dung

When the robbery happened, the security guard ....... ! *

A. slept

B. was sleeping

C. had slept

D. was slept

chon dap an dung

 We ...... when someone knocked at the door. *

A. talked

B. had talked

C. were talking

D. were talked

chon cau dung

 My brother and I ........ swimming almost every day last summer. *

A. went

B. had been going

C. were going

D. had gone

chọn đáp án đúng

 My grandfather w̲a̲s̲ o̲w̲n̲i̲n̲g̲ a hotel by the beach until he s̲o̲l̲d̲ it last year. *

A. was owning

B. sold

chọn câu sai

Julian w̲a̲s̲ l̲e̲a̲r̲n̲i̲n̲g̲ all about computer games by the time he w̲a̲s̲ six. *

A. was learning

B. was

chọn câu sai

 During the Christmas holiday, I w̲a̲s̲ e̲a̲t̲i̲n̲g̲ too much and w̲a̲t̲c̲h̲i̲n̲g̲ too much TV! *

A. was eating

B. watching

C. both A and B

chọn câu sai