—Do you know Ann Watterson very well?—Yes, she used to be ______ coach and in ______ charge of our school team.
.Which do you enjoy ______ your weekend, fishing or staying at home?
We should prevent pollution ______ happily.
.It is sleeping late in the morning that ______ being late for work.
______ such heavy pollution already, it may now be too late to clean up the river.
As we joined the big crowd I got ______ from my friends.