----What a nice meal! It's really kind of you to invite us. ---- ______________. I'm glad you liked it.
TFBOYS’ songs________sweet and many of us like listening to them.
----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.