—Would you like another cake?—Another cake? I _______ my first one yet.
__________of them got lost. They found the village successfully.(成功地)
I _________ my key in the car and I couldn’t get into my house.
To keep __________, we need ____________ regularly.
To me, English is easier than _________ subject to learn.
Teenagers should learn to protect _________ from all kinds of danger.