—Oh, my God! I can’t find my key to the office.—Don’t worry. Perhaps it______________ in your home.A. left B. has left C. was left
---I often feel worried about exams. I don’t know ________________it. ---Maybe you can ask your teacher for help.
Wearing red makes__ easy_ _us to take action.
--- Which do you like better, tea or coffee? --- I prefer coffee ________milk.
You can never imagine what great difficulty I had _________ your house.
Mr Ma prefers ______ his dog after supper _______ him relaxed every day.