David, let’s ___________ after school, OK?
---Did your father buy a gift for you on your birthday?---No. I got some gifts that day. They_____________by my aunt and uncle.
.I’ll never forget the mountain_______I climbed with my dad last year.
--Is that your dog?---No.That is Peter’s dog. The brown one is________.
.Mr Wang has an idea about our school trip. It sounds_________. We want to try.
---Can you tell me __________________?---Sorry, I can hardly understand its meaning.