Ann was very surprised to find the door unlocked. She remembered _______it before she left.
A. to lock
B. locking
C. lock
D. she locks
remember + to V: nhớ phải làm gì (theo bổn phận)
remember + Ving: nhớ đã làm gì
Ta thấy hành động lock đã xảy ra rồi vì dựa vào vế sau của câu before she left (sau khi cô ấy đi). Vì vậy ta phải chia động từ lock ở thể locking
=>Ann was very surprised to find the door unlocked. She remembered locking it before she left.
Tạm dịch: Ann rất ngạc nhiên khi thấy cửa không khóa. Cô nhớ khóa nó trước khi đi.
Đáp án cần chọn là: B
Linda regrets ________to her mother’s advice because her mother was right.
John hoped to finish ___________two of his essays before the deadline.
I was very angry. My friend John refused _______me a lift as he had promised.
You’d better _______out with your friends as it is very dangerous in the evening when going alone.
They should instruct you ____this work. It is their responsibility.
Choose the correct answer A, B, C or D to complete each sentence.
She suggested _____for a drink.
In “Hat Gheo”, the boy and girl look at each other because they would like ____ their feelings during the performance.
I couldn’t understand what the passage said, so I had my friend ____ it for me.
I really believe that you should let your son _____ his own decisions; he is certainly old enough ____ so.
It is raining hard this week but Tom expects _______with his friends this weekend.