We’regoingto______withsomefriendsforapicnic.Wouldyouliketojoinus

The old man lives ______, but he never feels_______.

My English has greatly improved ,_____ I practice using it every day.[ ]

would you plethe dishes the wholevacation，you________haveone as a reward·

Now more and more people have come to know the role that trees _____in our natural environment.[ ]