---What day is it today ? ---It’s the first day of the week .
Thanks for _________ my friend to your party.
What _________ interesting subject it is!
-- Have you heard the song “TAKE ME TO YOUR HEART”? --Yes, it _________ terrible.
, I lost(弄丢)your pen.A.OK B.Sorry C.Thanks
The national flag(国旗)of China is .A.red and yellow B.red C.white and red