—I can’t find my pen. Could you lend me ?—Sorry, I’m using it
--- What a hot day! How about going swimming after school? --- _________! Let’s ask Daniel to go with us.
The lesson is easy for the students. You see there are _________ new words in it.
Daniel has poor eyesight(视力差)because he always watches _________ TV and plays _________ computer games.
I want to see my grandparents _________ 8 a.m. _________ this Sunday.
--- Will you get there _________ train? --- No, I’ll _________ taxi.