—Have you watered the plants yet, Kathy? —Yes. I ________ that this morning.
----I will visit the Great Wall this month. ---- ________________________.
__________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.