---Did you have fun in the countryside yesterday?---Yes ._______,we felt cold and tired in the end.
I can’t mend the car your help.
—_______are they doing? 一They are running.
一Do you have_______pens in the pencil case? 一No,I don’t have_______.
.It’s best to plant trees(植树)in_____.
.一________woman is Tom’s mother? 一The one in the red coat.