67. He said he______ for five hours. A. has been working B. has worked C. worked D. had been working 68. I ______my glasses and broke them. A. fell B. dropped C. wore D. was wearing 69. “Where______ last weekend?” - “ went to see my aunt and uncle.” A. are you go B. do you go C. have you went D. did you go 70. When we woke up, everywhere had been ______snow. A. Covered B. Covered by C. Covered with D. Covering 71. ntil last year, “Mary ester” was the largest ship that______. A. was ever built B. has ever built C. has ever been built D. had ever been built

`67.` `D`

`-` for five hours `->` Hiện Tại Hoàn Thành `->` loại `C`.

`-` Câu gián tiếp ( said ) `->` lùi thì ( had ) `->` loại `A` , `B`

`68.` `B`

`-` and `->` 2 vế cùng thì, vế sau QKĐ thì vế trước cũng QKĐ.

`=>` Loại `A` , `D`

- `C.` đeo/mặc

- `B.` làm vỡ `->` hợp nghĩa.

`69.` `D`

`-` last weekend  `->` thì QKĐ.

`-` Công thức thì Quá Khứ Đơn :

- Với động từ tobe

`(+)` I/You/We/They/ N số nhiều + were + O ...

        She/He/It/ N số ít + was + O ...

`(-)` I/You/We/They/ N số nhiều + were not/weren't + O ...

       She/He/It/ N số ít + was not/ wasn't + O ...

`(?)` Was + She/He/It/ N số ít + O ... ?

       Were + I/You/We/They/ N số nhiều + O ... ?

- Với động từ thường : 

`(+)` S + Ved/V2 + ...

`(-)` S + did not / didn't + Vinf + ...

`(?)` Did + S + Vinf + ... ?

`-` Dấu hiệu nhận biết: ago, yesterday, last night, last month, in + thời gian quá khứ,...

`70.` `C`

`-` be covered with : đc bao phủ, che phủ…

`71.` `D`

`-` until last year `->` Quá Khứ Hoàn Thành.

`-` Vì ship ( thuyền ) không tự xây được `->` dùng câu bị động : S + had + been + Ved/Vp2 + ( by + O )