—Tommy, you can never let others know what I have told you today.—Don’t worry. I will keep the ______.
I think ________ vocabulary lists ________ us a lot.
---What happened ________Tom? ---He ________because of his drink-driving.
Hurry up! There is someone _________for you in the office.
The road was covered with sand ______ the heavy sandstorm.
______ he tried many times, he still didn't move the heavy box.