--- You look unhappy. _____________?--- I lost my watch on my way home.
“The children are playing in the park.”The main structure of the sentence is______.
----I fell off the bike and hurt my leg yesterday. ----_______.Be careful next time
---Why are you so _______,Amy? ---I thought I lost my purse, but I didn’t. I found it in my study!
Little Tom made a lot of mistakes ___________his carelessness.
Of the three paper flowers, the red one is the_________.